I recently purchased a 5/8 wave antenna for 1090 ADS-B Reception from eBay. At the time the antenna are being sold by stranislavpalo130 in 2 versions from a 30cm 5/8 wave to 60cm 2x 5/8. The are priced between 20 to 25 pounds and are really well constructed. The 30 cm 5/8 wave version is […]
1090 MHz ADS-B Aircraft Radar Reception
ADS-B Automatic Dependent Surveillance – Broadcast. The system broadcasts on 1090 MHz and with a suitable antenna and receiver the position of each aircraft within range can be downloaded and displayed on a map. Broadcast data may include. Flight Identification (flight number callsign or call sign) ICAO 24-bit Aircraft Address (globally unique airframe code) Position (latitude/longitude) […]
Beginners Guide to 5 MHz
If you’re a UK based advanced (full) license holder then you already have access to 5 MHz without the need for any special NOV’s. Most modern radios will already transmit on 5 MHz, others will need modification or wideband for TX. If you have tested your radio on 5MHz and it wont transmit then you […]
How far does 1mW go ?
Do you remember playing as a kid with the short range 49 MHz walkie-talkies ? We used to play with these often as a kid, and the range was shorter than your voice ! With an output between 5 and 50 mW these could often struggle to communicate more than a few meters. Still the […]
14 MHz 2e Homebrew Quad
Homebrew 2e Quad for 14 MHz The project was to build and test a 2e Quad antenna for 14 MHz, I wanted it to be lightweight and portable. The antenna had to be packed away in the car after a contest, so some parts of the antenna had to conform. The boom could be no […]
CQ WPX RTTY Operating Report
Managed to work a few in the CQ WPX RTTY contest this weekend using a basic setup at home. The rules for the contest can be found online and the exchange is 599 and sequential number. Station Kenwood TS990 @ 30 to 200w. Antenna 1 – Doublet Antenna 10m per leg @ 10m Antenna 2 – 9m […]