A QRP LIGHTBULB DUMMY LOAD
Spread the love Submitted by Michael Bolton N5RLR A QRP LIGHTBULB DUMMY LOAD Here is a blast from the past. In radio lore, mention has been made of using lightbulbs as “dummy loads,” or test loads, to check transmitters. The instruction manuals for the famed Heathkit tube-type Amateur Radio gear often specified using a common…