Yet another receive loop is born.
The construction is similar to the first 500 kHz loop, i.e. cardboard box loop, but made with Litz wire and with only 6 turns.
The calculation of resonance frequency found here indicates a frequency range covering the whole of the 160m and 80m band, and this looks like what I have.
The coupling is made with a further full loop, and it looks like that creates a too hard coupling to the antenna (not really unexpected), making the antenna rather broadband.
Later this week some experimentation on the coupling loop size is in the planning.
2024 10m QRSS Challenge: - WA1EDJ in the state of Georgia - 2nd March - As part of a challenge for 2024, I've decided to see how many QRSS signals I could capture on the 28 MHz band during the year. On the 2nd of March, I got...
1 day ago