Ham radio operators were Makers before that term was coined. This category contains describes various DIY (Do-It-Yourself) projects useful for ham radio.
As probably evident by all my micro build reports on the QRPMe Tuna series I have a soft spot when it comes to building ham radio kits. To me there’s a notable difference when you go on-the-air using a self-assembled…
Sometime in 2023 I’ve purchased a couple of ham radio related building kits (Tuna Tunah, Two Tinned Tunas, Tuna Helper, Sudden Storm) from QRPme, a ham radio kit web shop run by OM Rex Harper, W1REX. One of those building…
Sometime in 2023 I’ve purchased a couple of ham radio related building kits (Tuna Tunah, Two Tinned Tunas, Tuna Helper, Tuna Topper) from QRPme, a ham radio kit web shop run by OM Rex Harper, W1REX. One of those building…
Sometime in 2023 I’ve purchased a couple of ham radio related building kits (Tuna Tunah, Two Tinned Tunas, Sudden Storm, Tuna Topper) from QRPme, a ham radio kit web shop run by OM Rex Harper, W1REX. One of those building…
TL;DR: If you read nothing else, at least make sure to never use wire wounder power resistors for a dummy load, due to their terrible RF performance. During the winter holidays I did spend some time assembling ham radio kits,…
Sometime in 2023 I’ve purchased a couple of ham radio related building kits (Tuna Tunah, Tuna Helper, Sudden Storm, Tuna Topper) from QRPme, a ham radio kit web shop run by OM Rex Harper, W1REX. One of those building kits…
Sometime in 2023 I’ve purchased a couple of ham radio related building kits (Two Tinned Tunas, Tuna Helper, Sudden Storm, Tuna Topper) from QRPme, a ham radio kit web shop run by OM Rex Harper, W1REX. One of those building…
My primary SOTA workhorse is a multi-band (20/30/40) inverted-vee trapped dipole. I’ve done over a hundred activations with it and it has never failed to provide me with numerous EU-continental QSOs on either 40 or 20 metres (usually on both…
The HobbyPCB Hardrock HF-50 Amplifier is the perfect companion for a QRP radio such as the Elecraft KX2 or a Yaesu FT-817ND. It can be directly driven from your QRP radio and generates > 50W of power from 160 m…
Portable ham radio operation require a portable energy source, e.g. a rechargeable battery. Usually lithium based batteries are chosen because they store a lot of energy while at very low weight. However, there are different types of lithium based batteries…