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292 links - and 3 categories

Parabolic Dish Ring Feed for 23cm - DL4MEA
A parabolic dish ring feed optimum resonance frequency of 1325MHz

[ Hits: 786 | Votes: 4 | Rating: 2.25 ]

A 144 MHz turnstile antenna
Omnidirectional and horizontally polarized VHF antenna

[ Hits: 1300 | Votes: 4 | Rating: 5 ]
Portable 4-Element Quad for 2 meters - N1LO
A portable 4 elements quad antenna for 144 MHz 9 to 10 DBd forward gain ...

[ Hits: 2156 | Votes: 2 | Rating: 8 ]
144 Mhz crossed Yagi
An homebrew crossed Yagi antenna for two meters band based on DK72B design with pictures ...

[ Hits: 2283 | Votes: 11 | Rating: 5.36 ]
144MHz Pocket Portable Yagi - G4DHF
Design for a 5 element 2 Metre beam with a forward gain of 8dBD and ...

[ Hits: 1562 | Votes: 7 | Rating: 8 ]

Yagi Calculator - VK5DJ
Yagi Calculator is a free Windows program that also runs well on Linux Ubuntu 8 ...

[ Hits: 2285 | Votes: 32 | Rating: 6.06 ]

144 MHz Halo Antenna
This halo antenna was built to have an omnidirectional coverage while working in VHF contests ...

[ Hits: 3026 | Votes: 6 | Rating: 5 ]

Open Stub J-Pole Project - NT1K
A 144/440 dual band open stub J-Pole Antenna project by NT1K

[ Hits: 1948 | Votes: 6 | Rating: 4.33 ]

Dual Band Satellite Yagi - M1GEO
The antenna is a VHF side is a 2m moxon tuned on 145 825 MHz ...

[ Hits: 1202 | Votes: 2 | Rating: 8.5 ]

W9LJ Lake County Amateur Radio Club
County ARC LCARC was incorporated in 1952 We are an American Radio Relay League ARRL ...

[ Hits: 337 | Votes: 0 | Rating: 0 ]

Cleveland Police Dispatch - Live Audio Feed - broadcastify
Listen to Cleveland Police Dispatch and Metro Housing Authority via the Live Audio Feed Web ...

[ Hits: 544 | Votes: 2 | Rating: 1.5 ]

WSJT-X - K1JT
WSJT X implements communication protocols or modes called FT8 FT4 JT4 JT9 JT65 QRA64 ISCAT ...

[ Hits: 13142 | Votes: 70 | Rating: 7.25 ]

Dire Wolf - John Langner
Dire Wolf is a software soundcard modem and APRS encoder decoder It can be used ...

[ Hits: 2733 | Votes: 12 | Rating: 8.67 ]

6m Power Amplifier - William Moneysmith
Home Brew 6 Meter Amplifier with a single 4CX250B by W4NFR

[ Hits: 577 | Votes: 0 | Rating: 0 ]

Yaesu G-250 rotator
Improve the stability of your Yaesu G-250 rotator.

[ Hits: 878 | Votes: 1 | Rating: 1 ]

Coax and PL259s - K0BG
Basics, Coax, The PLS259, Soldering and preparing the coax, Crimp on Connectors

[ Hits: 517 | Votes: 4 | Rating: 7.25 ]
Can I still use oxidized coax cable? - DH1TW
This question bugged me after trying to exchange the connectors of a 25m long Aircell7 ...

[ Hits: 416 | Votes: 1 | Rating: 10 ]

The Coax Tester - N1GY
This useful coax tester allows you to screw the PL 259 onto the tester to ...

[ Hits: 751 | Votes: 1 | Rating: 2 ]

WSPR transmitter using a Raspberry Pi
Makes a very simple WSPR beacon from your RasberryPi by connecting GPIO port to Antanna ...

[ Hits: 961 | Votes: 6 | Rating: 4.5 ]