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
Call The Hotline BBS at 304-736-9169, 24 hrs, 2 lines, HST-14.4 modems.