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No body forces to buy this Q900 transceiver I have one and like it and breaking down? I still remember the FT-100 and the IC-7000 both had these transceiver and they broke down... 73 Biton, m0wao

For everyone’s awareness, I’ve been underwhelmed by GHterminal as a programming tool, therefore filed a ticket to have it supported by CHIRP. https://chirp.danplanet.com/issues/10796 If you

Bob you need the data cable that you use to upload the binary. It will power the keyboard. It plugs into the data port on top of the radio. Sincerely, Brian

Where does the cw key plug in to the tbr? ?The manual says the jack is on the back but the battery is there.

Yes, you're right... amateurs would do better! -- Bob, KL7EAL Los Angeles

-- Bob, KL7EAL Los Angeles

The witty response Bob is amateurs would do a better job (radio amateurs of course). Some people love the Q900, especially V4, but I am skeptical of the longevity of the unit. I am now using mine

Heatsinking of the radio should have been on top of the case and never at the bottom. Bigger fins would always help in dissipating heat more efficiently. Size of case should not be the primary choice

At first, I thought how cool it was to have two fans, although I never got to the point of even testing the airflow to see if it is a "crossflow" design, which constantly empty the case of hot air. I

I am sorry to hear of your blown finals, Edouard. You did well to repair them, something that would be beyond the competence of most Q900 users. Here I have the Q900 V4 and I do like using the FT8CN

This is what I was given 1. Updated the KAY1 error in the first line of the CW automatic call, and updated it to KEY1. 2. Solved the problem that V4 occasionally cannot receive signals when switching

No, just so small notes Sincerely, Brian

Is there a change log for this update?

DM Chen from Guohe directly. He sent me the binary for the TBR Sincerely, Brian

Anyone know where to get this update?

This is not to replace the internal R81 on input of the LK1801S but a pull up resistor between +5V and the PTT tip. Brgds, Edouard F4EXB.

Hi George, could be that it would cost money, but as you said on Whatsapp, Patreon could help, or some other mechanism.... I even think that you could make it so that you have to specifically

470kohms is way too big. 910 ohms, under 1k.

I tried this but the current is so small when PTT is on that it cannot even lower voltage by more that a few mV even with a 470k pull up resistor. This PTT output is just useless. Brgds, Edouard

Thanks for the details. There are some 5V relay modules that take a trigger signal and can be set to trigger if low or high. Then you'd need much less current through a pull up resistor. I have