Counterpoise on Icom AH-4For a while now I have changed my ZS6BKW antenna with an Icom AH-4 as coupler into a single wire antenna (still attached to the AH-4). The ZS6BKW is symmetrical antenna so not much need for a counterpoise. But a single wire does need a counterpoise. As a temporary solution I didn’t attache anything, but that is quite noticeable due to a lot of static in receiving signals. But creating a counterpoise on the roof is a bit of a challenge. After a few months Continue reading

FYM-delta-loopRemco PA3FYM is a big inspiration of many of my projects. This time he convinced me to build the famous FYM-delta-loop as a holiday antenna. Actually it’s a quite simple design from 2015 of the well known delta-loop. In Remco’s design of the FYM-delta-loop it is tuned for 40 meters. Not accidental because during the summer every night there Continue reading