Heavy duty military mast placement
I have been planning to put up a directional multiband HF antenna like a hex beam or cubical quad for the past year. Having calculated the expected wind load and…
Amateur radio projects.
28+50MHz 2 elements beam
Two elements 10m + 6m one 50 Ohm feed point designed by DK7ZB. The antenna consists of traditional Moxon for 10m band and 2 el. open-sleeve yagi for 6m band…
K9AY project
Just after completing tests on RX antennas, I've decided to build the final K9AY antenna setup (control box and shack controller), because of its encouraging results during the test. I…
RX antennas – Loop on the ground/K9AY
Now, in November, we are in the middle of autumn with long nights ahead, which means it's the perfect time to play on lower hf bands. I've struggled strongly with…
Receiver RF protector
If you are using separate RX antennas, especially with gentle SDR hardware, you should protect it from strong signals coming from your antennas during tx-ing./ Jeżeli używasz oddzielnych anten odbiorczych,…
144 MHz Coax Dipole
Used parts: RG-58 coax - min. 1,5m lengthPVC pipe 3/4"3/4" cap3/4" pipe teeUC-1 connector Dipole is made from coax cable (RG-58). Top section (460mm) - center coax conductor without shielding…
14MHz Delta Loop Construction (version of M0PLK)
Antenna construction draft Used parts: aluminium plate thickness 4mm 250x250mmaluminium tubing: 25x2mm; 21x1,5mm; 16x1mm 2 pieces each - 2m lengthU-bolt M8 x4 + washers + nuts - base plate tubing…