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Using a 5W Linear Amplifier with a 200mW WSPR Beacon
Testing Three Antennas Simultaneously using WSPR with WSPRlite
QRP-labs.com offer a range of cost effective electronics kits for radio hams. I chose to order and build their 20W Dummy Load kit.
The kit is simple to build, consisting of x20 1KΩ 1W resistors sandwiched between two PCBs with a BNC connector. There is also a diode/capacitor circuit for detecting the peak voltage, if required.
Following my purchase of the Sotabeams WSPRlite WSPR beacon a few weeks ago I have just built the optional Low Pass Filter (LPF) kit for operation on 40/80/160m which I will primarily use for 40m. You can see my review of the WSPRlite unit on our club’s website.
K1JT’s superb WSPR protocol has kept me busy/addicted for months, but until recently I was RX only, relying on the global network of other Ham’s WSPR transmitters so that I could spot and report them to the central WSPR database using my station to get an idea of propagation conditions, my antenna performance and just for fun!
For those who have large antennas, it's bound to happen. Gradually over the years you will collect a pile of broken bits. As Brimham hadn't had a go at 6m it was decided that after a session of messing about with a dipole at the farm, it might be an idea to build one using the pile of bits.
The boom was part of an old antenna and the elements reusued from broken parts. Fixings varied, including the use of cable cleats to hold the thinner parts.
It made a session of the UKAC a bit more productive, and where the operation is from qualifies for SAGHOTA.