st john

56 links

Helical Antenna Design Calculator
Helical antennas invented by John Kraus give a circular polarized wave They are one of ...

[ Hits: 2164 | Votes: 16 | Rating: 6.63 ]

Open-Folded W8JK Antenna for HF - F5NPV
Originally designed by John Kraus W8JK in about 1940 this antenna has some interesting properties ...

[ Hits: 141 | Votes: 1 | Rating: 3 ]

W8JK Beam Antenna - ZR6TXA
The W8JK is a famous and effective DX antenna first built by John Kraus W8JK ...

[ Hits: 5154 | Votes: 21 | Rating: 7.19 ]

Gates M-5078 restoration - John LeVasseur
An article on the restoration of a Gates Radio M 5078 Commercial HF AM transmitter ...

[ Hits: 357 | Votes: 1 | Rating: 10 ]

Antique Radio Schematics - Steve Johnson
Antique Radio Schematics and Service Manuals for Tube Radios

[ Hits: 1675 | Votes: 12 | Rating: 3.5 ]
SAMs Photofacts - Service Manuals and Schematics - Steve Johnson
Sams Photofact downloads - Schematics and Service Manuals for Radios, Amplifiers, More

[ Hits: 3563 | Votes: 22 | Rating: 5.36 ]
SAMs Photofacts - Steve Johnson
Sams Photofact download Schematics and Service Manuals, Originals and downloads.

[ Hits: 456 | Votes: 6 | Rating: 6 ]

Worked All Britain Award - WAB
The Worked All Britain Awards Group W A B was devised by the late John ...

[ Hits: 55 | Votes: 0 | Rating: 0 ]

Harlow and District Amateur Radio Society
A well established club operating under the call sign of the late Tom St Johnstone ...

[ Hits: 228 | Votes: 0 | Rating: 0 ]

W4MCT Johnson County (Tennessee) Amateur Radio Club - Ted Jackson, W4TVJ
The amateur radio club serving Johnson County Tennessee and northeastern Tennessee and southwestern Virginia Open ...

[ Hits: 55 | Votes: 0 | Rating: 0 ]

HSMM Experiments on the 6M Amateur Band
Progress Report on VHF OFDM Modem submitted by John B Stephensen KD6OZH ARRL Pdf file ...

[ Hits: 790 | Votes: 0 | Rating: 0 ]

Using a Straight Key
John Shannon K3WWP article on basics of learning morse code using a straight key ...

[ Hits: 466 | Votes: 0 | Rating: 0 ]

Field Day Operations in Australia - VK4ADC
A page with lots of pictures of John Moyle Field Day 2012 operating from 80 ...

[ Hits: 98 | Votes: 0 | Rating: 0 ]

Spectrogram - W5BIG
Spectrogram a PC based audio frequency spectrum analyzer available from Visualization Software aids ham radio ...

[ Hits: 23 | Votes: 0 | Rating: 0 ]

G0ORX SDR Blog
A blog dedicated to SDR and in particular to HPSDR experimentation and tests by John ...

[ Hits: 504 | Votes: 0 | Rating: 0 ]

Baofeng UV5R TRRS Adapter - johnboiles
A tiny board which allows a smartphone or similiar device to connect to the Baofeng ...

[ Hits: 92 | Votes: 0 | Rating: 0 ]