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Double-L Antenna For 80-160m
The antenna is a center-fed half wave vertical with about 70 feet of vertical length with the remainder of the top and bottom of the antenna bent horizontal and parallel to each other. The antenna looks like a squared-off letter C fed in the middle of the vertical part
post 18 Jun 2024
Antenna 160 meter Links →
160m End Fed Antenna
The antenna is sported by a 22ft 6.7m central support and a 12ft 3.66 end support
Loaded Dipole for 160 Meter
Total Length 26 m 85 ft. Total Weight: 380 g Mesh constructed with enamelled wire 0.5 mm diameter Mesh-size 4 m x 2 m 13 x 6.5 ft
Morgain 160mt
The total length of each of the radiator halves is about 60 m. They are folded three times, as shown schematically
Inverted Ls and Vs Slopers Linear Loaded
90
The antenna is sported by a 22ft 6.7m central support and a 12ft 3.66 end support
Total Length 26 m 85 ft. Total Weight: 380 g Mesh constructed with enamelled wire 0.5 mm diameter Mesh-size 4 m x 2 m 13 x 6.5 ft
The total length of each of the radiator halves is about 60 m. They are folded three times, as shown schematically
Antenna switch arduino for icom IC-7300 A solution built around an arduino nano and one of the readily available four relay switching boards
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