John, EI7GL
@ei7gl.bsky.social
Amateur radio call - EI7GL. Mainly interested in the 28 MHz and the VHF & UHF bands. #28MHz #50MHz #FMDX #144MHz #432MHz #VHF #UHF . My radio blog... https://ei7gl.blogspot.com/
Leave it with me. I presume your email address on QRZ is ok.
November 17, 2025 at 7:25 PM
Leave it with me. I presume your email address on QRZ is ok.
There is a section in Chapter 6 about interdigital filter designs for 1296 & 2304 MHz. Let me know if that's of interest.
November 17, 2025 at 11:33 AM
There is a section in Chapter 6 about interdigital filter designs for 1296 & 2304 MHz. Let me know if that's of interest.