Amateur Radio made in Italy
Article by N5ESE Here’s another handy little Altoids QRP project. For Field Day 2002, I wanted to use my new Elecraft K1 (which has an automatic antenna tuner built-in) to feed a full-wave loop on 40 meters, to use on all bands 40 – 15. To preserve the feedline balance (I used 300-ohm ladder line),…
Here’s one of my favorite antennas for QRP portable operation. It provides easy setup in the field, is extremely compact, and provides excellent performance on all bands 80 thru 15 Meters. It’s a non-resonant antenna, but don’t think for a minute that you lose anything from that. Using a field-radial system as shown, the feedpoint…
Loop receiving antenna
A homebrew 13 elements yagi antenna for 144 MHz by I5MZY
Homebrew antenna wire launcher
An homebrew dual band j-pole antenna
A Dualband QUAD made with two identical square loops, whose sides measure a quarter wave (?/4), connected together
Planning to setup a double bazooka antenna for 7 MHz during next months to verify performance of the Gap Titan DX on that band. I feel like the GAP is not so well performing on that band and I’m goint to setup for the CW portion of the 40 meters. This is the basic schema…
Vertical Folded antenna for 160 meters band
Dimentions Elements A, B, C spacing between elements 119.38 cms. E 1 Reflector 1: 304,8 cms. E 2 Radiator : 274,32 cms. E 3 Director : 271,15 cms. E 4 Director: 269,24 cms. D Distance with gamma match: 35, 56 cms aprox. E Gamma spacing: 7,62 cms. F Gamma tune: 50,8 cms x 12,5 mm…