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1

I have a UV-5R with the stock antenna. I've been able to successfully listen to astronaut contacts with schools on 144.825 MHz and to the new cross-band voice repeater downlink on 437.800 MHz. You need to find out when the various modes are active. (The voice repeater worked for a couple of weeks then went off-air.) I use the Android app version of the ...


1

Frequency 145825 kHz FM when ISS is within 800 km from your geographical position. That corresponds with visual line between ISS and your location. Normal transmission is digital (FSK) and very sporadic you can hear voice. Doppler effect on frequency requires tuning of plus and minus 3.5 kHz (2.5 or 5 kHz) higher and/or lower frequency. Position of the ISS ...


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It looks like the problem is that the squelch is "open," so that any weak signal is let in and heard. The squelch needs to be increased, using software, so that you can only hear signals that are strong enough. I don't have this radio, so my answer might not be completely correct. In this video (I know that it's English, but hopefully it has useful ...


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I was able to use Baofeng's VIP software to program independent RX and TX frequencies so you don't have to do it manually for every single one. (I have a BF-F8HP). https://baofengtech.com/download (Windows only) I have Windows 7 (it's an old laptop) so I had to download some drivers for my FTDI USB cable: https://www.ftdichip.com/Drivers/VCP.htm (I used the ...


3

It doesn't know anything. "STE" is the easier one to explain. It controls transmit, not receive. When STE is enabled, when you let go of the PTT button, the radio will send a 55Hz tone for a moment. Other Baofeng radios mute the receive when they hear a 55Hz tone... whether or not the STE option is enabled, whether or not you want it. It has no (...


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