Replacement battery for YAESU FT-817

Product Information

The most comprehensive computer control program for the FT-817 is FT-817 Commander. This program is the predecessor to Ham Radio Deluxe, but it has many features specific to the FT-817, such as memory management, which HRD does not. Although FT-817 Commander is unsupported, and does not claim to support the FT-817ND, it appears to work, although I have not used it a lot. What is not apparent from this is that the compressed transmission is narrower and cleaner. That's because without the compressor, the FT-817's ALC is providing the compression. I have done what most FT-817 owners probably do, and turned the SSB mike level up to get a louder signal, at the cost of a bit of splatter. The RF compressor cleanly reduces the peaks, as well as bringing the lower levels up, so the ALC doesn't have to work so hard. The end result is a louder but cleaner signal. Whether that's worth the cost is your decision. Working CW A remedy was found when splicing on the adapter for the FT-817 power plug. Close to the plug, as many turns as possible of the thin twin-flex adapter lead were tightly wound onto a ferrite core as used for curing breakthrough problems. The turns were taped tightly to hold them in position. The excess lead was cut off and spliced to the coaxial power cable from the switched mode PSU. Note that a special crimp tool is required to install the pins terminals/pins properly, but like most crimp-type connectors it may be possible to do some very careful soldering and "manual" crimping to make a reliable electrical and mechanical connection.

FT-817ND | Used Amateur Radios | THUNDERPOLE Yaesu FT-817ND | Used Amateur Radios | THUNDERPOLE

You can add to or update/edit your existing review's content including the Rating and Time Owned with the Edit button on the right side of the review text body. Edits will go thru the review Approval process. RX Frequency Coverage: 100 kHz - 56 MHz; 76 - 154 MHz; 420 - 470 MHz. (Exact frequency range may be slightly different) Do we want to charge the battery while operating, or are we relying solely on the batteries stored capacity?Joachim, DF4ZS makes an RF processor board that can be installed inside the FT-817 microphone. It costs about 65 Euro. You can either fit it yourself or send your mike to Germany with return postage and Joachim will fit it for you. One question that sprang to mind after getting the 12V switched mode PSU was: would using a 12V supply affect the battery charging function of the FT-817? Would the batteries need to be charged for longer? Would the voltage be sufficient to charge the batteries at all? thing you'll need is a horizontally polarised antenna, preferably a small beam. Height helps but is not imperative; My FT-817 performed well enough on SSB and CW but reports on AM were mixed. AM is already a compromise compared to SSB but stations worked reported weaker than expected modulation. It turned out that the Portability is a great feature of the FT-817/FT-818, but few enjoy it to its full advantage. A great way you can do this is to operate HF pedestrian mobile. Despite the FT-817/FT-818's low power some great results are

W4RT Electronics - WiMo

If you just need a program to help you manage the memories in the FT-817, then I suggest that you try 817-Mem, written by F5BUD. A portable power supply My FT-817 sits quite happily on top of my Maplin 3A power supply and looks as if it was made for it. Unfortunately, the magnetic field from the mains transformer affects the 817's VFO, giving a "dirty" note to signals. The power supply is also twice as high and about 4 times as heavy as the FT-817, making it not something you really want to carry around on trips. I thought I would try to find something smaller and lighter. Personally I prefer 500 Hz as I'm in Australia and the bands are fairly quiet. But those in more densely populated areas might got for a narrower (250 Hz) filter. Installation ie easy and requires no soldering. activity. It educates you about other spectrum users, teaches propagation and you'll probably hear some interesting communications that makes it worthwhile.temperature compensated crystal oscillator) can greatly improve stability. Both the Yaesu TCXO-9 and aftermarket versions are available. I can't comment on the genuine Yaesu one but even the cheaper version gives a good TX Frequency Coverage: 160 - 10 Meters, 50 MHz, 144 MHz, 430-450 MHz, plus Alaska Emergency Channel (5167.5 kHz).

FT-817 Cheat Sheet - RadioManual FT-817 Cheat Sheet - RadioManual

three (rather than two) screen lighting colours. The difference between the FT-817ND and FT-818 is negligible; if you already own an '817 you wouldn't buy an '818. The processor replaces the standard microphone element with an electret type that has more of a treble emphasis. This may not suit all voices but it can enhance copy under difficult conditions, compared to the normal Yaesu rather muffled audio. I think it sounds excellent on FM, too. My portable operating sessions are typically 2 to 3 hours. Sometimes up to 4 or 5 hours if it's a field day contest. It's worth doing a power budget but generally you're looking at a 4 to 8 Ah battery capacity. The FT-817/FT-818 has a wide voltage range but you want to avoid a battery that gives around the extremes of this. Too low a voltage (eg 8 - 9 volts) will mean the FT-817/FT-818 won't be able to put out its full 5 watts Poor ergonomics. Many commonly used functions are accessed from one of the three buttons below the display, which have about 11 different sets of functions. This means a lot of button pressing and knob twiddling just to do something like turn the noise blanker on or off, change the output power or toggle the meter between SWR and power out. Although to a great extent this problem is inevitable given the small size of the 817's front panel, I'm sure Yaesu could have fitted a slightly bigger LCD panel, with less of a surround, and this could at least allow the current selection of the three buttons to be permanently displayed. Perhaps some functions could have been made accessible from a key-pad mike, as well? Direct frequency input would have been nice.preferred as some of the earlier '817s blew their final amplifiers. You can recognise an ND model by its choice of Do not submit a product review critiquing another review or reviewer. Reviewers should be able to share their product opinion without being publicly criticized. When the power goes off don't just sit around at home waiting for it to return. Instead find a battery, fire up the FT-817/FT-818 and savour the temporary pleasure of exploring the unusually quiet bands. default setting (at least on my rig) was not ideal. Not that most users would notice since few would use it on AM mode, but you might as well have it right, especially since the settings can be done from the The difference doesn't look that great. That's partly because the AGC in the receiver used to make the recording has brought the signals up to a similar level. But you can see that there is less difference between peaks and minimums in the compressed oscillogram. Each syllable looks (and sounds) clearer.