key homebrew

YLRADIO - Full wave delta loop - This Delta Loop is a three-sided antenna suspended high in the air by vertical supports, such as tall evergreen trees. Recommended height is 40 feet or more at highest point, but higher is better.

Homebrew Balun Case - Balun case construction, tipically to host toroid cores. Size of case depends on power to handle. By DL5DBM

Balun construction  ^pop - PDF files describing how to homebrew a 1:2.5 balun

Homebrew A 4 To 1 Balun - How to build a to 1 balun by N1HFX

Single Coil Z Match - Single Coil Z Match, circuit Diagram and homebrewing notes

G5RV Antenna Homebrew - Homebrew G5RV a simple multiband antenna by 9M2ZAK

LU9DPD Windom dipole - A multiband windom dipole antenna for 80 40 20 10 meters, feeded with a home made 4:1 balun, in spanish.

Receiving Antenna Design - Learn basic theory on antennas, and notes on homebrewing efficient shortwave antennas

CSVHFS Antenna Gain Measurements - The Central States VHF Society has conducted Antenna Gain Measurements since its inception in 1967. Comparisons between commercial and homebrew antennas, between different homebrew designs, and between different commercial designs. Mostly VHF UHF and up antennas.

Homebrew your own inductors  ^pop - Can’t find the inductors you need for an antenna, a tuner or amplifier? Build your own—it’s easy! By Robert H. Johns, W3JIP

Antenna insulators for DK7ZB Yagis - Homebrew antenna insulators for DK7ZB yagi antennas

Collins Museum - Managed by WA3KEY Featuring the Collins Radio Advertisement Archive

K0KP 10 Meter QRPp Beacon - Homebrew K0KP 500 Milliwatt Ten Meter Beacon. The beacon is located at the K0KP shack in Fredenberg, Minnesota, USA at Maidenhead grid square EN36VW

DL9OAO homebrew amplfiers site - Includes a webcam and homebrewing amplifiers resources

NETCERTUS ampsequencer - Advanced microprocessor driven control board specifically designed to buffer CW key signals while switching the amplifier to transmission, it can also be used to provide proper TX delay timing for RTTY.

microHAM - Supply high quality accessories for your ham shack, including Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed for the SO2R operator, USB Interfaces, Digital Mode Interfaces, Keyers and many others

QRP J-38 Telegraph Key - QRP J-38 fine quality half scale telegraph key

Swedish Key - Straight Brass is located in Ventura, California. The key is the only product. Each key has a serial number. and only a few are built at any one time, and I am the one who builds them.

Expanded Spectrum Systems - Flash crystals, Feakin' beacon keyer, beacon attenuator

GM3WOJ Amplifiers page - HF and VHF amplifiers homebrewed by GM3WOJ

11 KW Linear amplifier by I0JX  ^pop - Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. Power was measured with a Bird 4712 wattmeter and a 25 KW slug

Simple Electronic Keyer - A simple keyer which can be built for as little as $6 with some junk box parts. Although this circuit is not a true iambic keyer, it is capable of producing perfectly sounding CW.

Easy Morse Code Keyer Circuit - based on the famous Curtis family of morse keyer chips and has a proven record of dependability.

SP5GJN HF amplifiers & CW Keys - Home made HF power amplifiers and CW Keys & Paddles

DL5DBM`s 2 meter Antenna preamp - Homebrew with CF300 DGMF with about .24 dBD gain