[time-nuts] Req: Decent GPS Antenna Active/PassiveRecommendation

[cfo]

On Sun, 15 Sep 2013 10:42:36 +0100, Robert Atkinson wrote:

> Hi John,
> I use one of the 26dB active timing antenna like ebay item 271266449940
> or 170889540720 but a quick look shows fluke.l is selling a 38dB one
> 300956651110 that might be good if you have a long antenna run. You
> don't say what receiver(s) you have, but the Thunderbolt needs a gain
> antenna. It's always best to put the gain at the antenna. On the subject
> of feeders, while the systems are 50R impedance, it is common to use 75R
> cable TV or satellite coax. It's cheaper and lower loss at 1.5GHz than
> common 50R cable. The loss due to mismatch is less than the reduced line
> loss. Trimble rcommend this approach.
> 
> HTH,
> Robert G8RPI.
> 
I'm also using a "MaxRad/Lucent" but got 40dB's ... 
But watch out (too much gain can also be bad) , i use it with a N-to-F 
adapter , and 30m of quad shielded 75ohm-Coax. 

I made sure i got the "Tube/pipe mount kit along" ... See 290975411221 (ok 
price) or 271265728193

CFO