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

Information on Hydrogen Line observations can be found Here

If you are looking for details of the OLD ARAC 4m Transverter please e-mail me.
You can find the Yahoo Group for a NEW design, Trans4m, Here

Reverse DDS Support Page.
24GHz EME UPDATED May 2011
10GHz EME UPDATED October 2009
5.7GHz EME Updated August 2009
3400 MHz EME Updated July 2010
Here is a short review of a reasonably priced shaft encoder capable of 1/10th degree resolution

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.

See Also:-
Radio Astronomy at G4NNS
Web Cam Astronomy from Redenham
Details of Feed Horns for 10GHz, 5.7GHz and 3400 MHz can be found here
Visitors to this site since 1st January 2006