Two radios, one antenna, I think?

[TM86]

Just ran across this video on UTuber, and while I can't speak the language, it looks like this guy's rigged up a couple of relays to automatically switch between two radios so that they can share an antenna, as long as only one is transmitting at a time.



At least, that's what I think is happening. Kind of a neat idea, if that's what he's doing, but I wouldn't risk the front end of two radios getting bursts of the other's transmitted RF while waiting for the relays to kick in.

 

[Shadetree Mechanic]

There was a guy on Fleabay that made a big splitter with relays that could do about 6 radios. By the time my shack got enough radios in it, he had quit making them. I thought it would be great to test the receive of multiple radios at the same time. He replied that every time you connect another radio, it drops the signal down for all the radios. He went on to say that the relays don't switch fast enough, and eventually you will have problems.

 

[secret squirrel]

I admit I do not have the level of technical skill, I had always assumed that most guys that run that type of setup make the equipment his self, and they had hard switches to select the transmitting radio, for the same reason stated that the relay switching approach would not work fast enough.