Rugby Amateur Transmitting Society



In the past RATS sold lots of Ascom SE550 programmed to work in the 4m (70MHz) amateur band.  No more complete units are available, but Stephen G8LYB has some spares and can offer help and advice to try and get you going again.  Contact via ‘Webrat” email address on homepage.

Below is enclosed some documentation which might be of help: --

Original instruction sheet with radio: RATS SE550 Type B V1.1.pdf

Latest updated sheet:                 RATS SE550 MK3 V1.3.pdf

Main circuits only:                     SE550 main circuits only.pdf

Eprom change and other Info:        Ascom Tuneup.pdf

Other sections to follow, but ask by email if in need now.


Updated 16 February 2016