beacon 144mhz

A 16 Turn S-Band Helix - This design represents the smallest practical antenna for Oscar-13 mode-S. Perfect beacon reception at all times is possible, and acceptable SSB even at 43,000 km range.

Simple Dipole Antenna for 2m - A simple portable dipole antenna for 144MHz

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

IZ1GJH/B 10 meter beacon - Active on 28.321,47 MHz in CW and Qrss3

KD4MZM Beacon system - The kd4mzm ham radio beacon system running a Cobra 148 GTL 40 channel AM/SSB unit modified to the 10 meter band

KC9GNK 10 meter Beacon - Transmitting on 28.2836 MHz near Wisconsin Dells, Wisconsin

IK1HGI Beacon - Beacon from qrss on 28.322,08 Mhz

KC0TKS/B 10 Meter Beacon - Central missouri ham radio beacon

Ascension Amateur Radio Club - Amateur Radio serving Ascension Parish and all of South Louisiana runs a 10 meter beacon

W4JPL - W4JPL John personalpage and the W4JPL 10 meter Beacon

6 Meters and Up: SSB/CW DX - This is a group for amateur radio operators interested in VHF and UHF SSB and CW, primarily in North America. It's intended for general discussions of V/UHF operation, beacon information, reports of tropo and Es openings and anything else of interest to V/UHF DX enthusiasts

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

DL6JAN QRSS beacon experiments - A summary of QRSS activities on 30 meters band. Hombrewing a QRSS Beacon

G6AVK QRSS experience - QRSS/QRPp and Beacon News and info with some very interesting links

I0SKK - 10 MHz QRPp beacon - Pictures and schematics about QRPp experiments using QRSS on Ham Bands as 10 MHz, 7 MHz,

30 meter MEPTa kind of QRSS and QRPp Beacon

DRF Technologies - Interfacing and Control Projects for the Hobbyist, Ethernet I/O Board, VA3TO Echolink Interface, Programmable Beacon Keyer Project.

Beacons - The W6AMT Beacons is a Windows program which automates the collection of radio propagation data. HF data is collected by monitoring the worldwide network of NCDXF / IARU HF beacons.

Faros - Windows shareware, automatic NCDXF beacon monitor for Radio Amateurs, SWL'ers and HF communication engineers. by Alex VE3NEA. It continuously monitors 18 NCDXF beacons on five bands, automatically detects the presence of the beacon signals, even in QRM and noise.

DL4MEA 144MHz and 432MHz Amplifier - 144 and 432 Mhz GS35b High Power Amplifier

Morse Code Beacon Keyer - This circuit stores a single morse code message as bits in an EPROM chip, the message is sent to a relay which can key a CW transmitter.

An Intelligent keyer for FSK beacon usage - Designing a beacon keyer that transmit the relative output power along to call sign.

G0UPL 30m QRSS Junkbox Beacon - This simple 30m QRSS beacon is built entirely out of junkbox parts, the only component purchased specifically for this project was the 10,140kHz crystal.

144Mhz preamplifier - A preamplifier project based on Rainer DJ9BV project, in french

Television channel 11 interference. - Solving interference from television channel 11 on 144MHz transverters by Chris Cox, NĜUK, G4JEC