[time-nuts] GPS Antenna (50ohm) and Satelite Splitters and Amps(75ohm)
Brooke Clarke
brooke at pacific.net
Mon Apr 17 00:15:01 UTC 2006
Hi Don:
I'm using both Radio Shack parts for my house GPS antenna system.
http://www.pacificsites.com/~brooke/4GPS.shtml
But be very careful about which 4-way divider ports are DC connected to
the antenna.
73,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
Don Mimlitch wrote:
>I want to split my best 5 Volt GPS Antenna among several Time Standards Systems (some 5VDC and some 12VDC).
>I can get inexpensive Satelite Splitters (2GHz) from Radio Shack or Monster makes a 4GHz Splitter. These splitters are 75 Ohm but my Antenna and Receivers are 50 Ohm.
>My question is how much of a problem is this? Should I use 75 Ohm Coax on either side? Is there a circuit to correct any problems?
>I can also get a Radio Shack InLine Satelite Amplifier. Again 75 Ohm. Any other problems here?
>
>Thanks for any Help or Advice,
>Don Mimlitch
>donmeis at yahoo.com
>
>
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