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double wire 27mhz Doublet
The values indicated are calculated for 27 MHz, the popular and authorized frequency
post 28 Jan 2024
Antenna CB 27 MHz Links →
Quad hf 5 elements 27.500 mhz
Accord 27.500 MHZ, impedance 50 ohm SWR 1.2
Realisation d'un doublet 27 MHz
It is not always easy to fix a doublet between two high points in a clear place. One solution is to hang the center of the doublet as high as possible and anchor both ends
Skypper spiderbeam 4 elem. 11 meter
Spiderbeam was founded in 2000 by DF4SA, animated by its passion for the portable business
Skypper spiderbeam Mono bande 11 meter
It is an antenna that comes in the form of a spiderweb a bit like a large umbrella type dryer and is remarkably effective. It has a gain of 5 dB and an av - ar ratio of 25 to 30 dB
Antenna Delta Loop a 2 elementi per 11m
I due lati obliqui sono invece fatti con del semplice filo di rame dal diametro uguale a 1.5 mm
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Accord 27.500 MHZ, impedance 50 ohm SWR 1.2
It is not always easy to fix a doublet between two high points in a clear place. One solution is to hang the center of the doublet as high as possible and anchor both ends
Spiderbeam was founded in 2000 by DF4SA, animated by its passion for the portable business
It is an antenna that comes in the form of a spiderweb a bit like a large umbrella type dryer and is remarkably effective. It has a gain of 5 dB and an av - ar ratio of 25 to 30 dB
I due lati obliqui sono invece fatti con del semplice filo di rame dal diametro uguale a 1.5 mm
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free