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Author Topic: Questions about transceiver testing before license  (Read 463 times)

KC3TEC

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Re: Questions about transceiver testing before license
« Reply #15 on: November 30, 2022, 05:49:22 AM »

GREAT THAT YO'RE ASKING ALL THE RIGHT QUESTIONS AND WANT TO DO IT RIGHT. WELCOME ABOARD. I have had FT8 QSOs up to a few miles away while using a high quality dummy load and about 6 feet of coax between it and the rig. So, yes, you are radiating some and without a license that's not legal. True, FT8 is a weak signal mode, and 2 or 3 or 4 miles is not a lot, so it's unlikely you will get caught. But getting someone to help you has three major benefits. First it's legal. Second you'll get a real test by someone who knows what to look for so you'll have better evaluation of the rig. Third you're less likely to fry something -- there is a learning curve he has that you don't have yet.

This is why i have made up several short ( 1 foot) test cables
Experimenting with my gear has shown this radically reduced the distance of radiation.
Even though i recommend robust cable and dummy load
Even sub watt qrp can radiate with a dummy load.
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