Hits
Portable station for 30m
i decided on the 30 metre kit, because 30m has less static in the summer months than 40m
post 06 Mar 2024
Qrp low power & Kits →
136 kHz Pagesas is common on lf, i usually run high power on 136 khz 400 watts, but, in may 2001, 136 khz band would be suitable for low power operation i.e. operating with a tx power output of just 5 watts
5 Meter vxo tuned cwan easy-to-build and affordable cw rig that puts out about 500 milliwatts on 15 meters
14MHz SSB QRP Micro-TransceiverThe transceiver is based on the “Micro 23” rig, that I have described here. Some simplifications of that already simplified radio have been made
Attivita' QRP in portatileI have been enjoying the challenge and fun of operating outdoors at different locations
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Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane
Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m
Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening facto