What is Hellschreiber. Hellschreiber is a German name, meaning "bright writing", or "clear writing". Hellschreiber is anything but a new mode. It was first patented in 1929 which makes it the oldest machine generated data transmission mode used in amateur radio. To put this in perspective, SSB...

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 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.

G4MLY (located Beledere, London) as received in south east Essex

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...

W0IVJ's Homebrew Ham Radio Antenna Rotator ... W0IVJ's Homebrew Ham Radio Antenna Rotator

This will help anyone thinking about building the new Elecraft K3

Yaesu FT817 LDG Z11Pro LongWire QRPp I6IBE Ivo Pratola Peligna

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...

Here is a video showing how I installed a 12VDC ham radio power cord in a 09 Ford F-150 pickup truck..The cord was used on a Kenwood TM-D710 Dual Band VHF/UHF ham radio transceiver..The fuses are at the battery end..The cord was run thru the firewall & along side the drivers door under the kick...