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Huge collection of QRP radio projects, and a few bits of retrocomputing (e.g. ZX80, Jupiter Ace and IBM XT clones).
to ace antenna electronics pc qrp radio receiver retrocomputing vectrex zx80 ... on 29 June 2020
mcHF QRP transceiver | Small and inexpensive homebrew HF radio
Using SDR techniques but in a conventional integrated-radio form factor.
Kits for the GQRP LPF designs, £2.50 per band. Neat.
to electronics gqrp lpf qrp radio shopping ... on 07 September 2013
GLOWBUGS TIMES - DIY Amateur Radio Tube Junk Box
I like the 5W valve transmitter. Very cute!
to amplifier electronics homebrew qrp radio valve ... on 13 September 2011
A wide variety of radio-related electronics projects, including lots of QRP and 6m stuff. Brilliant diagrams.
to 6m electronics qrp radio vhf ... on 27 February 2011
MOSFET-based simple linear amplifier.
to amateur amplifier electronics qrp radio ... on 12 December 2010
JBOT - An Easy QRP linear amplifier
5W linear amplifier from common transistors.
to amateur amplifier electronics qrp radio ... on 12 December 2010
QRPproject! Devoted to QRP and Amateur Radio homebrewing
Assorted QRP kits.
to amateur electronics kits qrp radio shopping ... on 12 November 2010
Adam Rong, BD6CR/4, Ham Radio Writer and Translator in China
A bit more on Chinese QRP kits.
to amateur china electronics kits qrp radio ... on 12 November 2010
KN-Q10 SSB/CW 5W kit – US$280 | vk2rh
Interesting QRP transceiver.
to amateur electronics kits qrp radio ... on 12 November 2010
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tasty by Adam Sampson.