- maycom communications products has been industry distributor for over 30 years . Offer main line products and parts for many hard to find items .
Antenna Mounts and Accessories basd in Michigan USA
New Sensor Corporation
- Distributor of Sovtek, other current production vacuum tubes, and NOS tubes. Distributor of electronic parts for audio and musical instrument amplifiers. Manufacturer/ Distributor of Electro-harmonix effects.
- Skycraft Parts & Surplus, Electronic Surplus Store in the Southeast, antenna parts, wires.
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Xtal Set Society, Inc
- The society publishes several books about crystal radio. Sell crystal set projects, tips for crystal radio design, ham radio kits, radio parts and common radio electronic components
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- Industrial and Commercial Parts Supply Since 1946
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- Canada's Largest Electronic Surplus Store
- glfer is a program for reception and transmission of QRSS/DFCW signals. It is composed of two main parts: the spectrogram window, where you can see the spectrum of the received signal vs. time
the transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes
DigChip IC database
- Provider of electronic components documentation. Offer a reliable tool to find semiconductors components technical information like parts, datasheets, cross reference, obsolete and new circuits.
Simple Electronic Keyer
- A simple keyer which can be built for as little as $6 with some junk box parts. Although this circuit is not a true iambic keyer, it is capable of producing perfectly sounding CW.