Hits
HF vertical portable for 20m<
Una canna da pesca lunga m.4,5 e'stata utilizzata in 20 e 40 m
post 30 Jun 2024
Antenna HF Portable Links →
160m DX Mobile Antenna
Mounted in boot on battery box. 110amp Leisure Battery
20m and 40m band
The 40m band loading coil, which is clipsed on the the rod when required
21 to 30 MHz Mobile/Portable Antenna
The antenna consists of two sections. The bottom half which is a fibre glass tube with the loading coil and at its base has a standard 3/8" UNF thread, and the top half which is a stainless steel whip
A portable vertical antenna for 160m
it's just under 3Mtrs long. It is mounted on the roof of the car on a cross member bolted to the luggage rails
54
Mounted in boot on battery box. 110amp Leisure Battery
The 40m band loading coil, which is clipsed on the the rod when required
The antenna consists of two sections. The bottom half which is a fibre glass tube with the loading coil and at its base has a standard 3/8" UNF thread, and the top half which is a stainless steel whip
it's just under 3Mtrs long. It is mounted on the roof of the car on a cross member bolted to the luggage rails
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
30 Volt Computer Power Supply Stack A bonus was that i discovered that these did not need a standby load connected to the supply to keep them running just apply mains power and close the Start lead to ground