3 votes
Accepted

Automatic switching of RX antenna -- xcvr has only one antenna connection (SO-259)

To expand on my comment about timing / delays: If you're only using SSB, or digital modes from a computer, the radio won't produce much RF power immediately on PTT, so all OK. If you're using CW or FM ...
tomnexus's user avatar
  • 11.1k
3 votes

Transceivers connectable with bluetooth hearing aids

yes. Yeasu and Icom both make BT audio capable HTs, and others do too.
webmarc's user avatar
  • 4,105
3 votes

How do I ground my first HF rig?

Q1. My first question regards the transceiver. It has a ground terminal on the back, but its power cord is also grounded. Should I assume that the chassis is grounded through the cord's ground pin? A1....
Dereck's user avatar
  • 424
2 votes

How do I ground my first HF rig?

There are lots of grounding myths that just keep getting repeated over and over until people believe it. As a result, they either suffer lightning damage to their equipment or their radiated signal is ...
Mike Waters's user avatar
  • 7,958
2 votes

Why are VHF radios so much cheaper than HF ones?

HF is rarely if ever used for commercial 2-way communications. Cheap radios such as the Baofeng/Wouxun UV-5r evolved from cheap commercial radios for the public safety and commercial bands. 10-meter ...
AI7OW's user avatar
  • 324
1 vote

Automatic switching of RX antenna -- xcvr has only one antenna connection (SO-259)

You might also consider noise cancelling products/projects. You can find some examples at this link. The principle of operation for these is to use a secondary antenna that is optimized to pick up ...
webmarc's user avatar
  • 4,105

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