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Beverage/BOG Antennas, Low Band Systems, RX Antennas
Reversible BOG Antenna Matching Set
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Two-direction Beverage On Ground (BOG) feed-point transformer and termination transformer set, for antennas made of coax cable. Available for both 50 or 75 ohm feed line systems.
79.90 €
The reversible BOG Antenna is an inexpensive low profile, but very effective receiving antenna used by amateur radio, shortwave listening, and longwave radio DXers and military applications.
BOG antennas should be shorter than the classic Beverage antenna, lengths between 50 to 60 meter generally works well.
Low Band System’s beverage and BOG feed systems use an isolated winding, matching transformer system to significantly increase the signal-to-noise ratio. This transformer works with BOG antennas that normally have 200 Ohm impedance. The termination resistor is a 4 watt, non-inductive resistor that withstands nearby lightning strikes and high RF levels from near-by transmitters.
Our line of Beverage and BOG Systems offer great flexibility in building high performance Beverage receive antennas systems for DXing and contesting. Use several Beverage or BOG antennas to cover all important directions and use an LBS RX antenna switch to conveniently chose the best one for each contact.
- Broad operating range, 0.5 to 30 MHz
- Fully isolated grounds prevent common-made noise
- Coax (antenna line) impedance: 50 or 75 ohm
- Antenna impedance over the ground: 200 ohm
- Feedline impedance: 50 or 75 ohm
- UHF (50 ohm) or F connector (75 ohm)
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Björn SM0MDG –
Using this reversible BOG matching set with 50 meter of pre-fabricated low cost RG6 as the antenna line and three 5 meter radials on the ground in each end.
It serves as my South/North switchable RX antenna for 160m Topband and complements my N/W and N/E Pennants well for that occasional weak signal from South.
The output is around 10 dB over the pennants, so I installed a 10 dB attenuator on the feed lines to have the same signal level when switching between the antennas.
Björn SM0MDG –