Antennas · VHF/UHF · Digital Modes · Ham Radio Software · Linux
In this article I share what I’ve learnt playing with 80m dipole design and testing different antennas in the field. Does a dipole need a balun ? In short, YES. Always. I shared my design for an 80m 1:1 balun in this article https://g7rdx.co.uk/80m-1-1-choke-balun/ Inverted Vee Dipole at half wave height In the picture below … Read more
Antennas · VHF/UHF · Digital Modes · Ham Radio Software · Linux
80m 1:1 Choke balun for dipoles and verticals Suitable for: 80m full size dipole 80m Inverted L 80m Vertical Choke balun optimised for 80m band My first experiment bulding a 1:1 balun for 80m using 52 mix toroid cores. Common Mode Current has a loss of more than 50dB at 3.6 Mhz. Measurement has been … Read more
Antennas · VHF/UHF · Digital Modes · Ham Radio Software · Linux
RSGB 80m CC DATA RTTY and PSK31 contest RSGB 80m CC DATA contests are the busiest events of the RSGB weekly calendar. If you like contesting on 80m don’t miss this series. NON-UK stations welcome. Look at my waterfall with a full size dipole at 12m above the ground level. RSGB 3.5MHz Club Championship Contests … Read more