Managed to catch GBR 16 kHz at the second transmission here at work: QSA 4 QRK 5 on a Standard Radio CR91 300 Hz IF with AA300 active antenna Copied the message with some initial difficulty on the co
BUT, for the French market only, the band 87.5 - 108MHz is blocked. That is allocated internationally to VHF FM broadcasting so why ? If memory serves me right, there is/was a special fee levied in F
Hello, The TT22 is another 6L6 derived beam tetrode pretty much like the 807, but with higher ratings and 11 mA/V slope, anode dissipation 45 W ICAS and anode voltage 1,25 kV. The TT21 is more common
Hello all, I for sure have no objections against the posting of "puzzles" on the reflector. The latest ones concerned DC circuit-theory and electrostatic problems, which, in my opinion at least, well
Gentlemen, A HP3586A selective level meter recently followed me home, but without any documentation. I intend to use it as the basis for precision LF/MF/HF off-air frequency measurement applications,