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23cm L-Band Helix Antenna Array


For 23 cm 1269 MHz SSB operation on AO-40 a nominal 1500 watts ERP of uplink power is required
post 23 Dec 2021


Antenna 23cm 1.2 GHz Links

58



23cm-1296MHz Field Day Yagi
When I started building up 23cm / 1296 MHz transverter hardware, I knew that I was going to have to similtaneously make at least one antenna to suit

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

3 bands Antenne voor 3,13,23 cm banden
For the 3 Cm Band a copper tube is used that normally serves for water supply

70 cm 3cm Beacon Antennas
A set of waveguide double-slot antennas for 13 cm to 3 cm beacons and an Alford slot antenna slotted cylinder antenna

Doppia bi quad 23cm
Ha un guadagno tipico di circa 10 db, ed un impedenza caratteristica di 50 ohm

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17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz| 630 m|
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