Members of the SNB contest group came together to play some radio in the RSGB IOTA contest. Some stations make the trek to far flung Islands in exotic parts of the world, we opted for the contest site close to Kelvedon Hatch in Essex. The SNB contest site has the added bonus of a 50m […]
Tag: antenna
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 […]
Comparing the Wellbrook Loop to a Doublet Antenna
This evening I decided to complete a test using two different HF setups in an effort to compare the receiver performance of my antennas. Radio 1, Kenwood TS 990, doublet antenna 10m per leg @ 9m Radio 2, Elad SDR, Wellbrook RX loop @ 3m I decide the best way to test on receive would […]
Homebrew 21 MHz Beam Part #2
Read Part 1 of the homebrew project Now the exciting phase, nearing the end and a moment to complete the final stages. Construction of the matching phase, and mounting the driven element. The antenna feed point is 28Ω, and the method of feeding the antenna is described on DK7ZM site. Once constructed from 2 lengths […]
Homebrew Project 21MHz 4E Yagi Antenna
Months ago I ordered some aluminium in preparation for another antenna project. Wtih the assistance of John M0UKD the plan was to build a 21 MHz 4E Yagi. The aluminium was ordered from aluminium warehouse, and cost around £100 including delivery. The on-line shop provides and delivers lengths of up to 5 meters, […]