Hits
Halo Una semplice antenna 144 MHz
Una striscia d'alluminio larga almeno 2 cm., lunga 96 cm., ricurva su se stessa, e chiusa agli estremi da una striscia di materiale isolante
post 21 Aug 2024
Antenna Halo Links →
50 MHz Halo Antenna
The basic horizontally polarized antenna is a half-wave dipole. It has a radiation pattern that exhibits lobes and sharp nulls
6 and 2 Meter Square Copper Dipoles
Here is the parts list and dimension sheet for a 2m square dipole, made from copper plumbing fittings and 1/2 inch copper water pipe
6 meter halo with optional 2m graund plane
A cheap, easy to build antenna for omnidirectional horizontal polarization on 6M and vertical polarization on 2M
25
The basic horizontally polarized antenna is a half-wave dipole. It has a radiation pattern that exhibits lobes and sharp nulls
Here is the parts list and dimension sheet for a 2m square dipole, made from copper plumbing fittings and 1/2 inch copper water pipe
A cheap, easy to build antenna for omnidirectional horizontal polarization on 6M and vertical polarization on 2M
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