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Old December 15th 05, 06:49 AM posted to rec.radio.shortwave
RHF
 
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Default Gas Discharge Lightning Protector Units ?

Robert 11,

"IF" you have a Long Wire Antenna that is located OutSide then
you should look at those things that can be done OutSide to
improve your Antenna System from the effects of a nearby
Lightning Strike to your Antenna, Radio Equipment and possibly
your House.

1. An OutSide Remotely Located Ground far away form the House.

2. With a LongWire Antenna use a Matching Transformer (UnUn)
between the Wire Antenna Element and Ground; and the Coax
Cable Feed-in-Line.

3. Use a Coax Cable Feed-in-Line and bury it if possible.

4. Use an Antenna Switch between the Antenna's and the Radios
in the Shack. The type that lets you dixconnect the Antenna from
the Radios and Short the Antenna to Ground for Safety.
Note - Many of these Antenna Switches have GDT's built into them.
http://www.universal-radio.com/catalog/switch/2415.html

5. When you are not using your Radio and Antenna disconnect the
Coax Cable from the Matching Transformer outside the House.


"IF" you have a Long Wire Antenna that is located InSide
your House or Attic.

1.A Ensure that your House and Wiring meets the Standards
for your Area for Lightning Protection.

1.B. Improve your Shack Grounding and Electrical Sysyem
Bonding as best as you can.

2. With a LongWire Antenna use a Matching Transformer (UnUn)
between the Wire Antenna Element and Ground; and the Coax
Cable Feed-in-Line.

3. Use a Coax Cable Feed-in-Line between the Wire Antenna
Element and the Radio.

4. Use an Antenna Switch between the Antenna's and the Radios
in the Shack. The type that lets you dixconnect the Antenna from
the Radios and Short the Antenna to Ground for Safety.
Note - Many of these Antenna Switches have GDT's built into them.
http://www.universal-radio.com/catalog/switch/2415.html

5. When you are not using your Radio and Antenna disconnect the
Coax Cable from the Matching Transformer outside the House.

hope this helps - iane ~ RHF
 
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