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Have a look at SOTABEAMS in the UK, they have various audio filter boards, some are build-ins some are external.

Press the DSP button on the top of the radio. Activate DNR by pressing the A/DNR key. Press and hold the A key for one second tor recall DSP NR Level. Adjust the DNR level and you should be able to

For Voice and CW probably not radio is plenty stable without a TCXO. For Digital modes maybe. I would try and see if you have a drift issue before spending the money. Leonard K. Pennock AD7AS Those

Interesting. Looks like I will pass on both for now. Is the TXCO crystal worth installing? 73, K1CPR Juan wrote:

Oh! Well, that would explain it. How do I find out of mine is one of the ones with the DSP already on there? 73, K1CPR Juan wrote:

Juan ... The answer depends on your operating mode preferences and the availability of filters. Preferring CW, my two slots are filled with Collins 300 and 500 mechanical filters in both my FT-897D

Later 857 and all 857D had the DSP built in from the factory so there is no option to install one. If the DSP options (like DSP BPF WIDTH/CUTOFF etc) work you already have the filter. Leonard K.

If you do CW, one of the narrow (500 or 300) filters can be a big help. Some Benefit on voice for the 2.3 Collins filter but debatable if it is worth the money. The internal Ceramic is a 2.4 but the

So, the manual talks about three filter boards for this radio but only two install spots are available. That means a choice has to be made. Which two of the three are the more worthwhile filters?

I bought a used FT-857 today, S/N 6K660152. I cracked it open to check for installed options and to my surprise, *there is no DSP-2 socket or switch!* Anybody have a clue what in the wide, wide world

A couple other things to note: The service menu setting No. 017 - Vcc. It is factory set to "138" (13.8 volts applied to the FT897 power input). If your input voltage is something other than 13.8

Barron-san, Thanks for your comment. To use the homebrew radios or mod radios on the air, we need to verify the radios that they are compliant to the current regulations such as spurious emissions

I? am by no means an expert on Japanese radio regulations, but I believe that the radio needs to be recognized as an approved radio for the class of usage. I know that the Japanese radios are not

As Ted-san said, JA’s mobile station license is up to 50W and fixed station license is 1kW. I’m a fixed station and want to use the US 857D for my mobile license. // HIRO, JJ1FXF

Regarding the RF output, radio manufacturers here in Japan usually sell three types of the same HF radio, 10W, 50W and 100W. As for the FT-857D, FT-857D is for 100W, FT-857DM is for 50W and FT-857DS

Ok Figured it out with help from DigiRig Forum.? I did invoke HAMLIB with nothing "Click" in the body And this

Running a FT-857D on Windows 10 using a Digi Rig as the interface. FLDIGI 4.2.03? I have tried other versions also I can only send data if the radio is set to DIG,.? BUT when using Digital Master

No, I didn’t call directly, but I need to try.? Thank you!

What are you talking about? Which RX8v?

Seems to me hams in Japan operating portable or mobile are limited to 50 watts max, though I may be wrong. This is why some hams outside of Japan need to be cautious at buying a radio that was built