This was my novice receiver in 1971-72. It was quite a challenge to make contacts with this receiver, but I think it was a good learning experience. Here is the PDF scan of the GR-64 manual:
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RockMite 30
Purchased in 2005, I finally decided to assemble the kit after 17 years. The assembly took about 5 hours. Before putting the radio in the case, I tested it on the bench. I knew that once it was in the case, it would be very difficult to remove it for troubleshooting or modification. The radio worked the first time I powered it up (I get lucky sometimes). The sensitivity is very good, and the transmitter output was 300 mW. I had tested a pile of 2N2222A transistors before assembly to find the one with the most gain. I’m surprised the
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uBITX V6 Part 1 – Enclosure Painting
Santa delivered a new uBITX V6 to my door this Christmas! I have a few days off work, so I decided to assemble the radio right away. The first step is painting the enclose “Sunburst Yellow”. This is my favorite color for homebrew radio projects.
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QRP Antenna Traps
These traps were specifically desiged to use mini-ductor type coils. I had mini-ductor coil stock on hand, so I wanted a design that would be produce a higher Q trap than ones made with torroids. However, the design can easily be used with torroids. There is a mounting hole for use with a nylon screw to hold the torroid in place. Also, there are places to add multiple capacitors in parallel in case you needed a custom capacitance to achieve resonance for a particular band. The trap PCB can easily fit into a small pill bottle for weatherproofing. For temporary
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