In these pages, we hope to include information that
you will find useful. Some past articles from SPRAT may also feature here.
Howes Kits - Chris Rees G3TUX has generously provided the club
with all the instruction leaflets that accompanied his range of Howes
kits. Chris has now ceased trading but has granted the GQRP club permission
to provide reprints to people who need them. Click here for further information.
Quick and Easy Bandpass Filters
for Receiver Input Tuning - George Dobbs G3RJV
A Short Guide to Harmonic Filters
for QRP Transmitter Output. - George Dobbs G3RJV
The "Octopus Tester.
- Richard Brittingham - W4MCD
G3RJV Data Card. - RECOGNISING
RESISTORS AND CAPACITORS
G3RJV Data Card. - TOKO
10K INDUCTORS FOR HF BAND USE
G3RJV Data Card. - Mr. Ohm's
Law.
G3RJV Data Card. - PRACTICAL
VFO VALUES (for the HF Bands based on Toko Inductors).
G3RJV Data Card. - DIODES
- LED and ZENER (WORKING OUT THOSE RESISTORS)
G3RJV Data Card. - Some
"Cookbook Values" for the popular Colpitts VFO
"S" Meter Calibration
Data Card - by Gareth Edwards GM7WFT
PCB Island cutting tool
Reverse Polarity Protection.
Using a standard Radioshack
(or Icom) microphone on the Epiphyte transceiver. - Derry Spittle
VE7QK
Epiphyte Modifications from
the pages of SPRAT.
The Resistive SWR Bridge
GQRP Club CW and
SSB Filters. (pdf files)