Mfj 259 vs 269. 8 - 170MHz; Frequency counter with 0.

Mfj 259 vs 269 MFJ's sales must have taken a hit I should imagine. and purchased from an authorized dealer or directly from MFJ Enterprises, Inc. Zapraszam do odwiedzenia mojej strony: https://sq8ers. Grumble I'm also working with another ham that has an old MFJ-269 with some very strange problems. Other Antenna Analyzers 8 1/11/2020 Comet CAA-500 Mark 2 $400 RigExpert AA-35ZOOM $250 . The procedure checks the appearance of the box, tests the RF amplifier bias and AGC, verifies band overlapping across frequency ranges, and (10) AA Batteries fit in this holder for the MFJ-259B and the MFJ-269 Antenna Analyzers. They look the same but are not ! 73 ! Jiri OK1RI P. Hf/vhf swr analyzer Page 18 MFJ-259 Instruction Manual HF/VHF SWR Analyzer Designator Far none, the analyzer made by RigExpert. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Measuring Instruments MFJ MFJ-269 Instruction Manual. I moved on to a Comet CAA-500 analog only version and have been thrilled with it. ) to any normalized MFJ 259B HF/VHF SWR Analyzers. Take any other information with a grain of salt. Welcome to Reddit's own amateur (ham) radio club. The MFJ-259 SWR Analyzer is an easy to operate, versatile test instrument for analyzing nearly any 50 ohm RF system on frequencies between 1. higher price tag but are those the only differences? Is there any . Hi Larry, Yes, I've used that page from Tom. 21 A Tale of Two Shoes . We strive to put up "resonate" antennas and the 258B gets us resonate quickly and easily. The MFJ-269C also functions as a non-precision signal source and frequency counter. This is an MFJ procedure that does not contain any information that would not be handed out by them. Please read the instructions in that article before starting on this project. "AA" Battery Holder for the. Concerning the interference from the band or other jamming signals - AUTEK is the worst, MFJ 259B is better, 269 is again better than 259B. Sadly the MFJ-259/269 meters are woefully inaccurate. MFJ-259B Antenna Analyzer K4FMH #17367 . connect to the MFJ 269 to the device you are testing. My SWR readings were very high and I first thought my antenna or cable There is a calibration procedure available, and one for the 259/259B as well from the original designer, but note that the 259 has 8-bit ADCs so the hex values displayed on the 269 and the pot numbers don't match this I have a few different antenna analyzers MFJ-259 & B , MFJ-269 , Timewave TZ-900 and miniVNA Pro . What you get from MFJ is much easier to use in the real life. dxGallery. It Caution about MFJ 259 Time Owned: N. Hey all, The MFJ-269 (and similar) seem to be a reliable, popular choice for an antenna analyzer. I also have had MFJ 259 , B , 269 these are nice when you can add the Grid Dip acc. 8. 99. (Figure an antenna analyzer is an 'inactive' device, not an 'active' one. For basic handheld units like the MFJ-259C, the calibration plane is always fixed at the analyzer's RF connector. or Best Offer +$14. Andsales do not seem to be hurt I realize I can spend a few hours poring through downloaded manuals and figure this out on my own, but before I do that anybody know off the top of your head what the differences are The 269 is no slouch, either, for quick tuning of permanent wire antennas for HF work, and even accurate pre-tuning of portable use antennas like the SuperAntenna verticals. I'm considering adding a 1M resistor from the center pin to ground to bleed off any static buildup. 1 Úvod Analyzér MFJ-269 je kompaktní, bateriově napájený In building the ham radio 40/80 meter inverted v antenna I ran into a slight set back. The MFJ-99CX is an accessory pack designed with the MFJ-259B or MFJ-269. Jue: MFJ's Antenna AnalyzersTesting Baluns using the MFJ Antenna Analyzersat Ga Tech, February 25, 2010Hosted by the Atlanta Radio Amazon. Your 269 also does uhf. 73, Frank K4FMH. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. Palstar ZM30 vs MFJ-259/269. New media New comments Search media. $155. It's very easy to do. The summary is: 1. I'm working on an MFJ-259B which might have blown diodes. With the RF-1, I couldn't turn the inductor knob because the reading would jump all over the place - the 269 is much more stable, I can tune the inductor, and watch the SWR What you get from MFJ is much easier to use in the real life. pdf MFJ-259B HF-VHF Analyzer has been updated(to include 220MHz): (detector diodes D1-D4 on MFJ-259 I replaced it with a new 269, which at that time could be purchased new for under $300. W8JI has the best information MFJ-259 available that I know of. By tuning through you see instantly the antenna resonance frequency. 49. Upon inspection of the internals, I discovered a battery had leaked acid on the main PCB and caused some damage. 1Hz accuracy; SWR Analyzer; Measure complex MFJ's on the 259? Not sure what you're saying here. Operating frequency extends from 0. 5 Calibration Plane: Your analyzer's Calibration Plane is the point of reference where all measurements have greatest accuracy (Gain Reference = 0dB and Phase Shift = 0 degrees). Follow edited Jan 13, 2019 at 19:49. An easily accessed user-controlled Z0 setting in the function menus allows for changing SWR and other SWR functions (i. There are newer technology antenna analyzers out there (many, many choices) today in 2019. value between 5 and 600 ohms. 00 PLUS SHIPPING (USUALLY UNDER $6. It provides an instant display of SWR, complex antenna impedance, and frequency, giving users a comprehensive understanding of their antenna. It is more complicated that the NanoVNA for sure. The main failure point are the Schottky diodes in the RF board. The MFJ-269D is a compact and fully portable SWR antenna analyzer for the 100 kHz-160 kHz, 260 kHz to 230 MHz, and 415-470 MHz frequency MFJ 269 RF Analyzers. Juha: there are other options for antenna analizers, you can check the QST may 2005, there you can find the diferences in all the comercial brands . Beware of ungrounded antennas. Opens in a new window or tab. MFJ 259B HF/VHF SWR analyzers are compact, battery-powered RF impedance analyzers. I now use a bird pwr/swr meter with UHF That does me Many folks I know have the MFJ-259, but one friend that bought one said if he dxHome. 8 to 170 MHz and 415 to 470 MHz -- an MFJ-269 Exclusive! It includes all the features of the MFJ-259B, the worlds most popular SWR Analyzer plus much more! Large easy-to-read two line LCD display and side-by-side meters clearly display your information Built-in On Wed, Sep 9, 2020 at 4:01 PM OneOfEleven <cmoss296@> wrote: I just watched VE3OSO's comparison video and had a chuckled at the end lol. MFJ-269 HF/VHF/UHF / SWR/RF frequency impedance Anetnna bandwidth Ham Analyzer. I have several others besides the MFJ 269 (and the 259b before it The Mfj-269d is a versatile antenna analyzer that operates in the HF, VHF, and UHF frequency ranges. RadioReference. Follow the procedure below for measuring SWR: 1. PG MFJ 66C $40 . Hf/vhf swr analyzer (9 pages) Measuring Instruments MFJ MFJ-207 Instruction Manual. A typical out-of-range screen is shown below: 10. Page 23 MFJ Enterprises, Inc. equipment-troubleshooting; antenna-analyzer; Share. MFJ-259 Ham Radio HF VHF SWR Antenna Analyzer (for parts or repair) Opens in a new window or tab. Additionally, the pack contains the MFJ-1312DX, a 12VDC AC adapter that operates on 240V. 2. - When the unit is switched ON, an internal test is carried out and the battery supply voltage is shown on the display. A very useful tool for the radio professional and ham Frequency range MFJ-259D: 0,1 - 230 MHz . For pure enjoyment and ease of use in the shack, the nano is perfect with nanosaver software. A quick look indicates it is a pretty simple schematic, Guide / Instruction Manuals Download MFJ-259B, 785 KB. Read the antenna SWR and complex impedance. I have several others besides the MFJ 269 (and the 259b before it). Improve this question. MFJ-269 MFJ-259B to enable the battery charge function - включение функции зарядки аккумуляторных батарей My experience with the 269, 259b and many other MFJ/Ameritron products may best be summarized thus: Engineering: *FIRST RATE*!!! :) --- Quality control *NON-EXISTENT* :,( The message Martin Ju needs to hear is that WE ARE WILLING TO *PAY* for conscientious QC/Assembly work!!! NanoVNA vs. (10) AA Batteries fit in this holder for the MFJ-259B and the MFJ-269 Antenna Analyzers. It's big, functional, and seems generally well MFJ-269 HF, VHF/UHF SWR analysator. 8 and 170 MHz. The new model MFJ-259 D has two additional frequency ranges: 100-160 and 280-520 kHz. MFJ-259B HF/VHF SWR ANALYZER 12 VDC Plug Ham Radio. The Best Thing Since Sliced Bread! MFJ-259D -- World’s most popular Antenna Analyzer just got better! Now covers super wide range -- 100 KHz-230 MHz and 2200 Meter band! Super easy to use! Set the bandswitch and tune -- just like your transceiver. " They're not. a link to the mjf259 schematic is also Looking at a used mfj 269 on ebay Wondering what the difference might be in this vs the 269c Thanks. Page 18 MFJ-259 Instruction Manual HF/VHF SWR Analyzer Designator Description Part Number Jack, 2. Pre-Owned. Although any calibration pot can affect readings, large reactance errors at impedance extremes commonly occur from improper setting of low-bit adjustments. I've repaired a few of the MFJ's , watched the AW07A show up and MFJ bought the rights to it and raised the price $100 Yep. MFJ 269 RF analyzers combine five basic circuits: a variable oscillator, frequency counter, frequency multiplier, 50 ohm RF bridge, and a 12-bit A-D converter and microcontroller. MFJ-269 -- HF/VHF/UHF Antenna/SWR/RF Analyzer w/ LCD, Counter & Meters Only $359. 80 bucks? I don't need the UHF part of 269. MFJ-269: From: "Kristinn Andersen" <andersen@simnet. The Famous MFJ-259D Gives You A Complete Picture Of Your Antenna’s Performance. An initial PCB precalibration is assumed. Don't waste your time or money on batteries with the antiquated MFJ-259 series which takes 10 AA batteries and eats them up fast. They just kept wearing out as I plodded day after day Having no great interest in 70cm I decided to get the MFJ-259B which is exactly the same instrument as the MFJ-269 with the exception of no 70cm coverage and an SO239 connector instead of an N type. I used his guide to create a false RF ground in my 2nd floor shack when I pulled out my MFJ-259 antenna analyzer to start tuning my Force-12 antenna, and discovered that it had a problem It would not operate on the last 2 bands (lowest frequency ranges). 00) CALL 1-800-626-0834 IF YOU DONT BUY FROM ME JUST MAKE SURE YOUR GETTING THE LATEST VERSION (6F1) WB0W,Inc Lots more bells and stuffmake sure the 259B has the Looking at a used mfj 269 on ebay Wondering what the difference might be in this vs the 269c Thanks. MFJ-259B Antenna Analyzer; My good old 269 worked the same out of the box (without recalibration) but was big and a battery eater. 10 watchers. Consequentially, if the 259's total Vz and Vs exceeds 255, the display indicates reactance. Mine still works too but I haven't used it in years. IF YOU'RE INTERESTED WE SELL IT FOR $184. This versatile device offers a comprehensive assessment of antenna performance, allowing operators to measure SWR and complex impedance across a broad frequency range from 1. to be free from defects in material and Get the best deals for Mfj-269 Antenna Analyzer at eBay. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. I'm looking to buy an SWR analyzer and am going back and forth between the two MFJ models the 259B and the 269. Review Summary For : MFJ-259; Reviews: 41 MSRP: 259; Description: MFJ-259 HF/VHF SWR ANALYYZER 1. NanoVNA vs. com: BestCH 12V AC/DC Adapter Replacement for MFJ MFJ-229 MFJ-249 MFJ-259 MFJ-259B MFJ-269 MFJ-269C MFJ-269Pro MFJ-929 MFJ-959 MFJ-993B SWR Antenna Analyzer IntelliTuner Automatic Tuner 12VDC Power PSU : Electronics NanoVNA vs. . 95! The MFJ-259D is a highly popular Antenna Analyzer with an expanded frequency range of 100 kHz-230 MHz and 2200-meter band. Since MFJ-259B firmware has several versions under the same model number, you may find some final performance or function verification steps invalid. with no changes to the system at all! And it doesn't have a graph which the original poster was Like MFJ-269D, but has its UHF range coverage 430 to 520 MHz and an extended commercial-style cabinet for lab work (helps protect knobs and connectors from damage). its one of the few that will do continuous from 1. MFJ-259B Antenna Analyzer OneOfEleven #17299 . I’m not going into details on preparing components, only those components that are different than the article. e. I can check a system 3x in a row and get 3 different results, from a match of 1. VERY sensitive. The MFJ-259B internal source impedance is 50 ohms. Just had to sweep my most used antenna just to see what it measured Still got a lot of reading to do in the manual for this t In the July 2014 issue of QST, there are plans to build a set of Grid Dip Oscillator or GDO coils that’s titled “Homebrew Dip Coils for MFJ-259/269”. I was all set to buy an MFJ-259B or C (as the RigExpert was too expensive for me), but then came across a good deal on this one and am glad I did. MFJ 259/269 Antenna Analyzer Jim Andera K0NK 1 1/11/2020 . The MFJ-269C is so much more than an SWR analyzer. MFJ-269 HF, VHF/UHF SWR analysator. Thread starter JakiChan; Start date I have experience with both an MFJ-269 (junk) and a Bird AT500 (AWESOME piece of kit). For casual sweeps of an HF antenna outdoors, I would use the MFJ (needle display is easy to read). MFJ 269 Pro RF analyzers combine five basic circuits: a variable oscillator, frequency counter, frequency multiplier, 50 ohm RF bridge, and a 12-bit A-D converter and microcontroller. You can read Complex Impedance as series resistance and My manaul from older MFJ-269 Version 1D2 (scanned to pdf 127 Mbytes) MFJ-269-scanned-manual. There are many other brands of A-As but MFJ established the market for such a device. There is also a yahoo group for the MFJ-259, don't know about the 269. FREQUENCY SWEEP WITH MFJ-269. I'm still MFJ-269 MFJ-259B to enable the battery charge function - включение функции зарядки аккумуляторных батарей I have the RF-1 (rather than the more expensiveVA-1) and an MFJ 269, one thing I wanted, was an analzyer for adjusting my antenna tuner (SA-2060A) without transmitting. R(Z>650) SWR. is> Date: Fri, 13 May 2005 22:16:35 -0000: List-post: <mailto:towertalk@contesting. MFJ-259B and MFJ-269 Battery Holder - Replace that cracked or corroded holder. 2-1 at the same frequency. That actually happed to a club owned MFJ-249. cat_enterprises_2006 (5,098) 100%. Measuring R & X (mode 1) (continued) 7. There is a caution regarding 249's,259's, and probably 269's. New items Series Latest content Latest reviews Latest questions. com. The NanoVNA, even with the A-A firmware, is much more challenging to use in the field as many other posters here have stated. Hf/vhf swr analyzer Antenna SWR Use the SO-239 Antenna connector located on top of the MFJ MFJ-269 HF, VHF/UHF SWR analysator. wavrider W9WDX Amateur Radio Club Member. By the way, I bought my MFJ 259 in 2000 AF4RK AF4RK, I've owned an MFJ-259B analyzer and it was complete junk, it was plagued with intermittent problems and a band selector switch that failed early on. Thanks for the video, I bought my 269 second hand and had no idea it had these additional features. This accessory pack provides users with essential power options for their MFJ analyzers. 395 sold. between 5 and 600 ohms. This calibration procedure is the correct procedure for later MFJ-259B's. Jun 2, 2009 3,472 1,378 173. Reading the reviews on eHAM there are plenty of kudos and complaints Subject: Re: [FT817] MFJ 259B VS 269 Don: I have used the MfJ 259B almost every week for the last year and a half. The analyzer offers simultaneous readings of SWR, return loss, and reflection coefficient at any Juha: there are other options for antenna analizers, you can check the QST may 2005, there you can find the diferences in all the comercial brands . I did a comparison test against my back up MFJ-259 and it didn't act the way the new one did. 00 shipping. Log in. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. MFJ-259B Antenna Analyzer; Hi Shirley, And none of those are the 259/269 serieswhich was the comeuppance of this thread, no? But I've not purchased one of the MFJ VNA's either. , return loss, reflection coefficient, match efficiency, etc. I purchased my MFJ 259B used at a local Tailgate/Swap meet for just $100 & it looks and operates as if it were never used by the previous owner. 1-1 at the desired frequency to a match of 3. The primary difference being that the 269 will do 415-170 MHz. 1. Joined Jan 5, 2003 Messages 12,193 Location Retired 40 Year MFJ-269 MFJ-269 Anténní analyzér Návod k obsluze Upozornění: Než začnete přístroj uvádět do chodu, přečtěte si pozorně instrukce, uvedené v oddíle 2. Jue: MFJ's Antenna AnalyzersUsing the MFJ-269 as a Grid Dip Meterat Ga Tech, February 25, 2010Hosted by the Atlanta Radio Club (W4D MFJ 259B VS 269 Don L #73612 . An Evening with Martin F. The MFJ-269 is not a stable Covers 1. HOME MADE G5RV ANTENNA. If the Review Summary For : MFJ-259; Reviews: 41 MSRP: 259; Description: MFJ-259 HF/VHF SWR ANALYYZER 1. 9v problem. I never have had any problems with it as decribed in previous. I also found this reference on MFJ's product info page for the '269 An Evening with Martin F. This is a new analyzer by MFJ, the MFJ259D, which is a modified version of their best selling MFJ269C, and it adds 2 new bands. The 269 has UHF and . With a 269, the load will plug directly in to the N female. The MFJ-269D also functions as a non-precision signal source and frequency counter. The professional bridge is also fine provided you stay on the ground and are ready to use your muscles + 220V power. The only problem with the MFJ equipment is Measuring Instruments MFJ MFJ-269 Instruction Manual. 8 to 170 MHz and 415 to 470 MHz -- an MFJ-269 Exclusive! It includes all the features of the MFJ-259B, the worlds most popular SWR Analyzer plus much more! Large easy-to-read two line LCD display and side-by-side meters You can use your MFJ-269c for more than just an SWR analyzer. External 12V supply or internal batteries (10x AA size). This one covers HF bands plus 6 meters. 1 mm, DC Coaxial Jack 601-6021 7/4/15 – results of google search “MFJ 269 repair“. New posts Search forums. MFJ-269 HF/VHF/UHF Digital Antenna Analyser * Frequency Coverage 1. The box can be tested after assembly with the battery holder unassembled. Wish it also covered 220 mhz & 440 mhz but maybe I will upgrade to the Many folks I know have the MFJ-259, but one friend that bought one said if he dxHome. 8-170 MHz variable frequency oscillator, a frequency counter, a 50 ohm RF bridge, and an 8-bit micro-controller. Notified MFJ and they had me send the MFJ-259c back for repair. dxChat 0. The largest test coil works between 1. ) If your antenna doesn't have a dc-grounded feed system, momentarily short the cable's center conductor to the shield immediately before connecting it to the analyzer. The new lower-frequency coverage allows analysis of 137 kHz, 472-479 kHz and 160 through 1. MFJ-989C Versa Tuner V - Sun Country Amateur MFJ keyer MFJ-259B Antenna analyzer MFJ-962C Tuner MFJ-989 tuner 3KW MFJ-993B This information is here only because it is the correct way to calibrate the MFJ-259B analyzer. It will last charged about 2 hours. The 269 also I have a 259b and it works excellent. (LF coverage may be adjusted to I have a 259b and it works excellent. MFJ-269 Antenna Analyzer. KC9OSX Rating: 2012-01-09; Works Unlike the old MFJ's 259B Antenna Analyzers, these new "D" versions have two frequency-range knobs. Nesprávné napětí nebo připojení zdroje napájení nebo přetížení ANTENNA vstupu vnějším napětím vede k poškození tohoto měřiče. Buy It Now. 140 MHz >25. While I was at it, I verified my 2m/70cm base vertical was in good shape too. You can read your antenna’s SWR and Complex Impedance 280 kHz to 230 MHz. In this case, use a good UHF to BNC female adaptor for the 259 units. It is a very handy tool for checking an antenna system & it does so much more. It was my shoes that did it. Cheers Tim. I have a MFJ-259, does excellent for tuning antennas. Buy a RigExpert and be done I was curious about how accurate the NanoVNA was, so I compared it to my MFJ-259B HF/VHF SWR Analyzer on a few bands. 8-170 mhZ Invalid item - see MFJ-259B: I have used the 259B and 269 and find the accuracy not much different between any of them when the same measurement is compared with my GR RF bridge. You may have to make your own coils. 2 bids · Time left 19h 44m left (Today 08:44 PM) +$15 Anyone seen this kind of thing before with an MFJ-259? Any hints gratefully received. I think the "bare" 269 sells for around $350. With the MFJ-99CX accessory The MFJ-269 not only avoided me having to crawl up on the roof, it affirmed that my antenna building skills were spot-on. Hf/vhf swr analyzer (18 OTES POWER SOURCES XTERNAL OWER UPPLY NTERNAL ATTERIES ECHARGEABLE ATTERIES “AA” D SING ONVENTIONAL ATTERIES “V ” OLTAGE DISPLAY WARNING “P ” LEEP OWER The MFJ-99C is an accessory pack for the MFJ-259, MFJ-259B, MFJ-259C, MFJ-259D, MFJ-269, MFJ-269C, MFJ-269D, MFJ-269PRO, MFJ-269CPRO and MFJ-269DPRO. More. derosnopS. All Messages By This Member; previous page; View All 76 Messages In Topic; next page; previous page MFJ 269 Pro RF Analyzers. There is "NO" reverse polarity protection if the batteries, battery pack, or external 12V power is connected backwards. MFJ-259 B and the MFJ-269 Antenna Analyzers. Frequency range 1-230 MHz, 415-470 MHz Calibrating the MFJ-259B Antenna Analyzer. 00. To measure velocity factor: Note that the SWR measurement range for analyzers in the MFJ-259 family extends all the way up to 25:1 or 31:1, depending on the model. The tiny 9V battery in the AUTEK will never dream of similar time. It includes: MFJ-92AA10 - 10 Pack Ni-MH AA Batteries MFJ-1312D - 12 VDC AC Adapter I've read about this complaint on all of their analyzers207, 249, 249B, 259, 259B, 269, and even the 269PRO. 8 to 170 MHz and 415 to 470 MHz -- an MFJ-269 Exclusive! It includes all the features of the MFJ-259B, the worlds most popular SWR Analyzer plus much more! Large easy-to-read two line LCD display and side-by-side meters clearly display your information Built-in atfer i sold my mfj antenna analyzer , I brought me the 500 mark 2 for best money does work great i test my antenna it work as should no other analyzer work as good as this 500 mark 2. The MFJ-259 combines four basic circuits; a wide range oscillator, a frequency counter, a 50 This is the manual page for Mfj. S. Hf/vhf swr analyzer (18 OTES POWER SOURCES XTERNAL OWER UPPLY NTERNAL ATTERIES ECHARGEABLE ATTERIES “AA” D SING ONVENTIONAL ATTERIES “V ” OLTAGE DISPLAY WARNING “P ” LEEP OWER The MFJ-66 is a kit consisting of two coupling coils and a VHF-to-Cinch socket adapter. For our weekly portable set ups in the Park in Mesa, Az, it is our most important piece of equipment. But the MFJ-259 is still very easy to use, and accurate enough for my own projects. pl/ There are many other brands of A-As but MFJ established the market for such a device. I see others have mentioned the PC-based VNA boxes. dxRadioTech . Here is another way it can be used to test coax, and you can see it helped me find a fault in some LMR400 The MFJ-259B Antenna Analyzer has solidified its reputation as the world's most popular SWR/RF analyzer, now enhanced with features that provide even greater value for users. The MFJ-259B Antenna Analyser V 2. MFJ 259B Analyzer Calibration. This is the one I use, The RigExpert AA54 and only uses 2 AA batteries and seems to last a good while. It provides a relatively pure (harmonics better than -25 dBf) signal of approximately 3 Vpp (approximately 20 milliwatts) into 50 ohm loads. The latest was a Moxon yagi for 17M. $3. With its compact size and user-friendly interface, the Mfj-269d is a popular choice among amateur radio operators and antenna enthusiasts. The MFJ-259B is useful as a non-precision signal source. I still have that 269, but I found another working 259 at a hamfest and snapped it up. In addition the MFJ-259 can be used as signal source and as an accurate frequency counter. The MFJ-259B singlehandedly got me into homebrew antenna building. buddrousa Member. Reply. , Michael Tope: Since an MFJ-259/269 is not meant to be used with power applied to anything it's used to test (other than what it applies it's self), it's a fairly easy concept that applying power with that thing connected will 'pop' a diode or some other component. The MFJ-269 will calculate the length of a stretch of coax, and -–this is one of my favorites-- the dB loss of any length of coax at any given frequency. Jue: MFJ's Antenna AnalyzersUsing the MFJ-269 to Test Coaxial Cables, Part 1 of 2at Ga Tech, February 25, 2010Hosted by the Atlanta An Evening with Martin F. Yep. 10 to 230 MHz in nine overlapping bands with extended SWR measurement from 415 to 470 MHz. They combine four basic circuits; a 1. I believe the newer units (possible the "zoom" models) have a higher resolution when measuring (more data points). I've been thinking for a while just how peed off MFJ must be now that we have these extremely useful little VNA's, especially with how much they cost. Feb 11, 2016 #5 AS CK posted HIGH RF fields do make the 259b go wacko. Long cables will give less accurate measurements. Warning - your ham friends will want to Hello Who antenna analyzer is better MFJ 259C or Rig Expert AA-55 Zoom for antenna setup? mrel. With the RF-1, MFJ 259B vs Autek VA1, Thomas Beltran <= Re: [TowerTalk] MFJ 259 vs 259B ??, Tom Rauch; Previous by Date: Re: [TowerTalk] Amidon Inc. A solution to the 27. $291. Other than this, all MFJ Analyzers are The 259 and other MFJ SWR analyzers have different/better battery mounts now. Premium Subscriber. Mike Waters. com> One more difference between the two models: The 269 offers you to view the impedance as resistance IN PARALLEL WITH the reactance, not only the SERIAL connections of these two. Your Account Database Wiki Broadcastify Live Never used the Rig Expert but I never had issues with the 259B model. I have the RF-1 (rather than the more expensiveVA-1) and an MFJ 269, one thing I wanted, was an analzyer for adjusting my antenna tuner (SA-2060A) without transmitting. The MFJ-269 internal source impedance is 50 ohms. It is not an "antenna analyzer" in the way that most hams approach such a device. I've been thinking for a while just how peed off MFJ must be now that we How to use the MFJ grid dip meter adapter to check coaxial cable traps. 28 watchers. The MFJ lacks consistency. for my point of view , if you don't need the UHF , just get the 259B, that will solve your needs for HF, 6m and 2m 70mhz if you have that band or any other commecial freq in betewn 73 de XE2K/XF1K This document provides a procedure for testing and calibrating an MFJ 269 box after assembly. 8MHz-170MHz. 5 to 512MHz getting the VHF and UHF mil air bands for testing receive antennas. I just watched VE3OSO's comparison video and had a chuckled at the end lol. Parts Only. $19. 53 to 230 MHz in nine overlapping bands with extended SWR measurement from 415 to 470 MHz. 8,167 4 4 gold badges 18 18 silver badges 51 51 bronze badges. Buy a RigExpert and be done with Measuring Instruments MFJ MFJ-269 Instruction Manual. Jul 30, 2010 IIRC, the main diffs between the '259 and '269 are the A/D converters (8-bit vs 12-bit) and the addition of 70cm on the '269. The NanoVNA is an incredible price point. Download MFJ-269DPro Instruction Manual When a load is reactive, the theoretical total of Vs and Vz exceeds 255 bits. 8 - 170MHz; Frequency counter with 0. 8 to 170 MFJ-269 27. 25 meter antennas, including MW (AM broadcast) and shortwave frequencies. 1 Typical Use The MFJ-269D may be used to adjust, test, or measure the following: With the MFJ-269 you get your antennas properly tuned for maximum performance. what is the difference between MFJ-259B and MFJ-269. It provides a relatively pure (harmonics better than -25 dBc) signal of approximately 3 Vpp (approximately 20 milliwatts) into 50 ohm loads. Please explain. PG Other Antenna Analyzers should also work as a GDM. Here it looks I am too much in favor of MFJ - I just want to give them credit for a very good product. Your Account Database Wiki Broadcastify Live Audio Help / Contact. Search items. It includes the MFJ-92AA10, which consists of a 10-pack of Ni-MH AA batteries. Oakland Park FL. He was an MFJ contract employee for years but stepped away just a few years ago. 95! MFJ-993 -- 300 Watt IntelliTuner Automatic Antenna Tuner Only $259. [TowerTalk] MFJ-259B vs. The primary difference being that the 269 will do 415-170 Looking at a used mfj 269 on ebay Wondering what the difference might be in this vs the 269c Thanks I replaced it with a new 269, which at that time could be purchased new for under $300. Bill M W7ZT Measuring Instruments MFJ MFJ-269 Instruction Manual. That was four weeks ago. I now use a bird pwr/swr meter with UHF That does me well. They perform a wide MFJ-269. Measuring Instruments MFJ MFJ-269 Instruction Manual. com: AFKT 12V AC/DC Adapter Replacement for MFJ MFJ-229 MFJ-249 MFJ-259 MFJ-259B MFJ-269 MFJ-269C MFJ-269Pro MFJ-929 MFJ-959 MFJ-993B SWR Antenna Analyzer IntelliTuner Automatic Tuner 12VDC Power PSU : Electronics New to me antenna analyzer. I have used the MFJ-259 extensively and found it to be extremely helpful. You will be Amazon. 280 kHz to 230 MHz and 2200 metersband and 415 till 470 MHz. Antenna SWR Use the SO-239 Antenna connector located on top of the MFJ-259B for all RF measurements (except those using the Frequency Counter mode). This is the one I use, The RigExpert AA54 MFJ 259B VS 269 Don L #73612 . The MFJ-269 is useful as a non-precision signal source. Shop by MFJ-259B HF/VHF SWR Antenna Analyzer 1. Frequency range MFJ-269D: additionally 415-470 MHz. dxForums. I had a 269 and used the UHF a couple times and it seemed to be problematic. 8 and 50 MHz and has the highest sensitivity in the range between 10 and 20 MHz, while the smallest works between 20 and 175 MHz and has the maximum sensitivity between 100 and 150 MHz, depending on the SWR analyzer, covers 1 , 8 Primarily designed for analyzing 50 ohm antenna and transmission line systems, MFJ 269Cs measure RF impedances between a few ohms and several hundred ohms. This short article is intended to help others who experience the same problem I had with my MFJ-269 Antenna Analyzer. 8-170 mhZ Invalid item - see MFJ-259B: I have owned my 269 for a few years now and have used it quit a lot. Any objective reading would infer the "glee" over MFJ being "peed-off. Forums. 8-4, 4-10, 10-27, 27-70, 70-114, Based on the successful MFJ-259B it combines all of the features plus more. It is a well known fact that the MFJ-259B/269 is affected by nearby high RF fields. But the 269 is a small RF lab in a box. SWR, Complexantenna Impedance and frequency are all instantly display Here is a quick look at an antenna analyzer. Articles by AE6KS Jeff, VR2XMT and posts on QRZ by W8TBC are especially useful. It is designed to measure various parameters of antennas, such as SWR (Standing Wave Ratio), impedance, and resonant frequency. If a ham wants cheap just use an old eBay noise bridge (like before we ever had these fantastic tools) or a coil and a GDO. There are newer MFJ sells calibration sets for their MFJ259/269 A-As. If climbing on a tower, I would use the AA-230. Free shipping. Select the desired frequency range and adjust the tuning control for desired test Frequency (frequency is displayed on the LCD screen). Worked right out of the box, no problems. 0 tohoto návodu. Brand New. Swr hf/vhf analyzer (40 Measuring Instruments MFJ MFJ-259 Instruction Manual. for my point of view , if you don't need the UHF , just get the 259B, that will solve your needs for HF, 6m and 2m 70mhz if you have that band or any other commecial freq in betewn 73 de XE2K/XF1K NanoVNA vs. 73 Jackie N4MJG SKCC 7305 SINCE 2005 NAQCC 5233 OMISS 11548 : W7DGJ Rating: 2023-08-27; (10) AA Batteries fit in this holder for the MFJ-259B and the MFJ-269 Antenna Analyzers. When the MFJ-66C link is moved close to a circuit under test, it becomes positioned to "stimulate" or induce RF energy in that circuit. They perform a wide variety of MFJ-259 Instruction Manual HF/VHF SWR Analyzer 1 MFJ-259 HF/VHF SWR ANALYZER INTRODUCTION The MFJ-259 SWR Analyzer is an easy to operate, versatile test instrument for analyzing nearly any 50 ohm RF system on frequencies between 1. Swr hf/vhf analyzer (40 pages) Measuring Instruments MFJ MFJ-207 Manual. Reading the reviews on eHAM there are plenty of kudos and complaints the new one mfj 259 b version 6f1 has it own micro-processor that allows many tests. Perhaps I should have got the 269 for UHF, but why do neither do the 220 Mhz band? For this and the power switch issue, it gets a four of five. There is significant difference in MFJ259 259B and 269 * do not forget it. View online or download PDF (766 KB) MFJ MFJ-259B, 259B Manual &bull; MFJ-259B, 259B measuring, testing &amp; control PDF manual download and more MFJ online manuals. May 5, 2010 22 0 11 51. Thread starter JakiChan; Start date Jul 30, 2010; J. Measure the resonant frequency of an external circuit The Goal: 2 1/11/2020 . Traps are used in the making of some multi-band amateur radio (ham radio) antennas. Overloads are known to blow these components . 8 to 170 MHz and 415 to 470 MHz -- an MFJ-269 Exclusive! It includes all the features of the MFJ-259B, the worlds most popular SWR Analyzer plus much more! Large easy-to-read two line LCD display and side-by-side meters clearly display your information Built-in MFJ-259C Instruction Manual HF/VHF SWR Analyzer 4 1. 75 shipping. warrants to the original owner of this product, if manufactured by MFJ Enterprises, Inc. Note : A more complete description of the MFJ-259B's features and proper measurement methods There are many other brands of A-As but MFJ established the market for such a device. It turns out the two were very close, MFJ-269D 100 kHz-160 kHz, 260 kHz to 230 MHz, 415-470 MHz Antenna SWR Analyzers . No, it wasn't me acting as part of the antenna. Connect to the feed line, set the bandswitch and tune the dial - just like a transceiver. Covers 1. Also found that the new MFJ-269c SWR read 3 points higher than the old 259 and another SWR meter I have. I have not even turned either the 230 or the MFJ on since getting the nanoVNA-F. RF signal generator 1. BTW, I paid $100 for mine. Watch the video, and the next couple of videos I will show about I'm looking to buy an SWR analyzer and am going back and forth between the two MFJ models the 259B and the 269. But, this common fault's easy fix can turn a junker unit back into a workhorse. $160. Despite the nitpicks, it gets the job done. A. Buy It Now +$6. JakiChan Member. 11. Krótka relacja z naprawy analizatora antenowego MFJ-259B. Checkout the screen shots below to see what you can analyze including 5 bands at once. W4KVW Rating: 2023-01-29; A great Tool for any Ham Time Owned: 6 to 12 months. spnt rovo yodngud edjydw wjq rju uplajh iziuzi txu mquov