A simple receiver front end protection ciruit idea to protect your receiver when it is not in use
This project will demonstrate how to build a dummy load, and measure power correctly, you can also calibrate your meters for accuracy with this project
An schema drawing and formula to calculate size of an Inverted L antenna for the 160 meters band, 1.84 MHz.
A transceiver front-end protector in high signal level environments. An homemade RF limiter to protect your receiver front-end from high radio frequency.
The KD9SV Front End Saver in a new fashion. If you use a separate receive antenna, you need a Front End Saver to eliminate the possibility of blowing out your receiver’s front end while using an auxiliary receive antenna.
Morse Code Training online audio recordings, grouped in three different levels for a total of 37 different exercises provided by Scarborough Amateur Radio Society
The CAT Tool for WebSDRs. Allows to control public WebSDR receivers with a real rig connected via CAT control to your computer. It supports the classical WebSDR as well as Kiwi SDR interfaces Tune the VFO of your radio and see the web SDR follow in realtime
Replacing fan to the Elecraft K3 and solving temperature issues after replacement, by changing fans with other compatible ones.
The normal way to make a good balun is to wind a core with a bifilar winding about 8-10 turns, and then connect the coax to one side and the antenna to the other.
A beginners guide to DMR. This web site cover all aspects of DMR and is a valuable resource for those who want to get started with DMR.
Manufacturer of amplifier for small magnetic and electric receiving wideband antennas, and variable delay line kit for active antenna phased arrays
Modified 80cm Offset Dish for 2.4 GHz Satellite Reception. This 50-ohm impedance antenna allows, when connected to 2.4GHz preamplifier and downconverter, to receive Amateur satellites with 2.4GHz transponders such as AO-40.