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BYPASS THAT PREAMP
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BYPASS THAT PREAMP
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A Bob Grove tip
Martin Toomajian, Jr. DDS, of Watervliet, New York, came up with this
clever way to switch out an in-line preamplifier like the popular Grove
PRE4 when necessary for transmitting, attaching other accessories, or
simply using the antenna alone. Martin uses a standard VHF/UHF TV
splitter and a video A/B switch available from Radio Shack and most
department stores.
If the preamplifer module is remote-located at the antenna, a seperate
coax down-lead is required; we would recommend a low-loss coax like
RG6/U available from the same outlets as well as Grove Enterprises.
With an indoor preamp, only a short length of coax is needed.
Antenna
\ | / A/B Switch
\|/ RG-6/U /
| |-|----------------------------|-|_________Scanner
|----|-|----[ ]---------[ ]---------|-|
| Preamp Control
Splitter Box
|
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