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Feed 10Ghz
VE4MA and Chaparral feeds with Septum Polarizers
post 29 Jan 2024
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A two port 3 dB splitter for 13 cm and WLAN
the splitter constist of four quaterwave striplines connected at their ends and four terminals
Antenna DRAWING 23 cm
la descrizione della antenna si puo' utilizzare 6 Loop con un guadagno 12 dB
Antenna Cerchietti 1.2Ghz
Omnidirectional slot antenna for 23 cm band
Omnidirectional Sector Waveguide SLOT Antenna L and C Band (1296 & 2320 MHz)
Antenna ad elementi circolari per 1,3ghz
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the splitter constist of four quaterwave striplines connected at their ends and four terminals
la descrizione della antenna si puo' utilizzare 6 Loop con un guadagno 12 dB
Omnidirectional Sector Waveguide SLOT Antenna L and C Band (1296 & 2320 MHz)
Linear loaded short dipole 21Mhz For my amateur radio activities on the HF bands I only have a 3.6 m wide balcony available for antennas. After some study I decided to experiment with a shortened dipole for the 15 m band
Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m
Atu balanced feeder antenna system An ATU has the advantage of bringing the feeder-antenna system to resonance, act as a band pass filter both on receive and transmit and a low SWR