Amateur radio projects from 73kHz to 447THz
Special feature: Not amateur radio, but a charity that finds homes for retired greyhounds. Click the picture of Rachel to read a little more about these affectionate animals and the work of Wimbledon Greyhound Welfare.
England
to Canada on 136k 4300km crossband
Quarter kilowatt linear amplifier
for L.F.
A 100W
LF Class D Amplifier from 13.8V
LF
- HF Reflection Coefficient Bridge
(Jan/Feb
2003 Rad Com)
Laser
transmitters / Receivers - 6 pages updated
LF
PreAmp and BPF.
LF
On-the-Air Antennas,
Photo's, Coil's etc
L.F. Dx-pedition to the Isle of Man.
VSWR Bridge for LF
Forward and reverse power at a glance
Where a project has been published, the original
text is reproduced.
Up to-date developments / modifications to circuits are also included.
Kit and component index. - Pre-amp /
transmitters / satellite converter and mod kits
Class D Transmitter - 300 Watts on 136kHz. Inc VXO / single PCB. / Transformer
mod's by M0BMU
Redesigned version of the LF Pre-amp. (March 2003)
Horn Antenna for 2.4 GHz (via AO-40
page)
Thanks for visiting the site, I hope you
enjoy it.
If you have any questions or comments please e-mail
73
David Bowman G0MRF Site last updated 30th/Oct/2007