A home made portable QRP transceiver designed to work on 40 or 80 meters SSB band.
A Lightweight 2m Yagi for SOTA. The boom is 20mm PVC electrical conduit and the elements are 2.4mm aluminium TIG welding rod. The antenna is carried as a single length of conduit with the elements stowed inside the boom, sealing them in with a bung. The driven element is connected directly to 50 Ohm coax with a BN-43-202 balun core to decouple the coax shield.
Ham Radio 3D Models published on Thingiverse, includes several parts for homebrewing amateur radio antennas, like spreaders, isolators a and mounts, wire antenna winders, adapters and many other accessories useful to antenna homebrewers.
Tucnak is multiplatform VHF/HF contest logbook. It is executable on Linux and other unix-type systems. Since v3 also native under MS Windows, Android and Kindle
A simple program that shows when target spacecraft would be above the horizon.
DC plug adaptor using an XT60 connector. 18650 Lithium battery 3 cell carrier, Three band end fed half wave antenna, XT60 chassis mounted flange.