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GLOWBUGS TIMES - DIY Amateur Radio Tube Junk Box edit / delete
I like the 5W valve transmitter. Very cute!
to amplifier electronics homebrew qrp radio valve ... on 13 September 2011
Etching with Air Regenerated Acid Cupric Chloride edit / delete
Making and using reusable PCB etching solution. Neat.
to chemistry electronics etching pcb ... on 12 September 2011
Old components. Sensible prices. (And later, having ordered some: excellent service!)
to electronics retrotech shopping ... on 07 September 2011
Electronics Index edit / delete
Assorted (mostly) analogue and (less) digital electronics, with really good explanatory articles along the lines of Horowitz and Hill.
to electronics ... on 07 September 2011
>>> I before E except after Hellschreiber « SWHarden.com edit / delete
Hellschreiber beacon with an AVR. This idea sounds worth playing with -- more fun than PSK31 and simpler to transmit!
to avr beacon digimodes electronics hellschreiber microcontroller radio ... on 23 August 2011
Home - Aerial Parts edit / delete
Small quantities of bits for making aerials, by mail order.
to antenna electronics radio shopping ... on 23 August 2011
PC mit dem 65816-Prozessor edit / delete
Very professional-looking homebrew machine with a 65816.
to 65816 electronics homebrew retrocomputing ... on 23 August 2011
Soldering Tools & Soldering Iron & Soldering Station -- ZhongDi Manufacture Co.,Ltd. edit / delete
The maker of CPC's Duratool-branded soldering stations (which are excellent, by the way).
to electronics shopping soldering tools ... on 19 August 2011
National HRO Receiver edit / delete
Excellent overview -- wish I'd found this sooner. This cleared up the serial numbering oddity I'd spotted. (In retrospect, I had seen this site a long time ago...)
to electronics hro radio retrotech ... on 03 August 2011
Index of /pub/manuals/national edit / delete
HRO docs from BAMA.
to electronics hro radio retrotech ... on 03 August 2011
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tasty by Adam Sampson.