Welcome to the G4NNS Web Pages
Amateur Radio Station and Radio Observatory
located at 51 14'53.1N 1 34'15.6W Maidenhead Locator IO91FF
In the village of Redenham near Andover Hampshire southern England

Some useful links and equations for Hydrogen Line Observing are here
5.7GHz EME
3.4GHz EME
Hydrogen Line Observing Group Notes are here
You Tube Video of Michael Portillo at Goonhilly

The 3.7 Metre dish Antenna at G4NNS Click the picture to see a larger photo. The 3.7 Metre dish Antenna on its new Azimuth and Elevation mount. Click the picture to see an explaination of its design and construction The tracking software developed with G8APZ. Click on the picture for more details and a larger picture.

Radio Astronomy at G4NNS
Details of Feed Horns for 10GHz, 5.7GHz and 3.4GHz can be found here
Visitors to this site since 1st January 2006