J Antenne voor 2m
A J antenna in fact a ZEPP antenna can be considered as a whole wave radiator with one dipole half (=1/2) folded
post 19 Dec 2021
Antenna for UHF VHF Links →
UHF-VHF Yagi Construction
These optimized wide-band antennas offer up to 16 dBi gain and 30 dB F/B ratio when mounted at 20 feet over average
VHF/UHF Portable Satellite Antenna
The antenna performance should match or surpass the Arrow antenna. The UHF section is made of 6 elements with gain-optimized spacing as opposed to 7 elements
Direttiva UHF
Boom cm.100 - riflettore cm.33 - 1 direttore cm.30, 2 direttore cm.29,5 - 3 direttore cm.29 - 4 direttore cm.29
2m beam 9 element
149
These optimized wide-band antennas offer up to 16 dBi gain and 30 dB F/B ratio when mounted at 20 feet over average
The antenna performance should match or surpass the Arrow antenna. The UHF section is made of 6 elements with gain-optimized spacing as opposed to 7 elements
Boom cm.100 - riflettore cm.33 - 1 direttore cm.30, 2 direttore cm.29,5 - 3 direttore cm.29 - 4 direttore cm.29
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