This is a video of the Lindsay/Gingery coil winder that I built a ways back. It makes nice universal wound coils as well as solenoids. It is basically the Morris coil winder that was popular in the early years of radio.

KC9KEP's first stab at a crystal filer I.F. tube receiver for 80 and 40m. From the 1961 ARRL handbook. More information at: http://www.bignick.net/simple_x/simplex.htm

Warminster Amateur Radio Club New Repeater Presentation

Yup, there's even a video of THIS! Amazing, soon we'll see people opening up utility bills on youtube. Anyway, if you've always used RG-8 or RG-213, this is a nice step right past LMR-400 and into the real stuff. This is the last step before Heliax. The difference w/ 600 Vs the first...

Simple, commonplace and vital to our electronic world - take a closer look at the current-fighting backbone of circuitry, the resistor! more Make presents: The LED http://www.youtube.com/watch?v=P3PDLsJQcGI The Capacitor - http://www.youtube.com/watch?v=ZYH9dGl4gUE audio & video by Collin...

This is one of my 144Mhz Mosfet amplifiers with Freescale MRF6VP2600H. This is a 49V Ldmosfet amplifier for 144Mhz which easily puts out 500 Watt in linear service. The amplifier exhibits a gain of around 20dB and noteable gain compression sets in above 500 Watts of output power. Not shown in...

Ham radio 10 meter amp project winter time fun ... "Ham radio" "10 meter rig" "CB radio"

Here is a short demo of a King Conversions (QROKing.com) modified SB220 amplifier for monoband 6M operation. I am very pleased with Lou's work and I let this demo speak for itself. CU on 6M! 73 Lee

This is a homebrew 1200 watt RF amplifier using a pair of 3-500 tubes. I built it for AM use on the Amateur Radio 75 meter band. Using a rice box, 15 watts of drive produces 300 watts output. ... KA1TDQ Jon Jonathan Rines Amateur Ham Radio homebrew amplifier AM tubes

Clegg 99er is a Compact top quality 6 meter transceiver made in 1961. LCF School LCFschoolThis is a tube unit and will operate on 110vac with a built in power supply or external 12 volt unit. The transmitter is crystal controlled and receiver covers the lower 2 Mhz of the 6 meter amateur...