This is a 200 Watt PEP step up transformer for end fed full and half wave antennas without radials, designed as a 200 Watt PEP
CO2KK exposes some myths about using 75-ohm feedline with 50-ohm rigs and show how to build a cotanget transformer
A presentation of popular wire antenna models like Dipoles, half size, full size, doble zepp, ocf dipoles, G5RV
A simple 50 ohm dummy load to test transmitters. includes a simple RF diode detector to measure the peak voltage, and calculate the power
Cutting out the noise using a simple coax filter to improve the poor front end filtering
An HexBeam antenna project, a 2 full elements on six bands
The Toshiba PA3083U-1ACA laptop powersupply deliveres 15V at 5A without any noise
GMRS Interstitial Simplex & FRS Frequencies Interstitial frequencies are available for simplex use by all GMRS licensees.
Simple steps you can take to solve most problems caused by station equipment
A High pass filter will not help, use a stop-band filter to notch out the beast.