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23cms Quadrature hybrids


The critical dimensions are the case and line, I have had 30 lines cut with a laser cutter to better than 0.1mm tolerances and I am having some boxes milled from brass. All will be silver plated
post 23 Dec 2021


Antenna 23cm 1.2 GHz Links

58



Building UHF Yagis A Practical
A detailed photo essay on how he builds his well designed UHF Yagi antennas

Construction of a 23cm double bi-quad antenna
I had half a spool of 2mm enamelled copper wire left over from my 12-turn helix, so this was soon bent into shape to make the element

Construction of a QRP 23cm HB9CV antenna
HB9CV antenna my own 23cm version using brass for the boom and radiating elements

Direttiva Yagi 10 elementi 23cm
Antenna per ATV, in 23cm una semplice yagi a 10 elementi

Double Quad
A description of a 9 dBd double quad and its calculations

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