[time-nuts] Active antennas for a Thunderbolt...

[Chuck Harris]

Hi Azelio,

How would you use a network analyzer to test an active antenna
like these?  I have the ANA, but I am not sure how to couple
the input to the antenna effectively.

-Chuck Harris

Azelio Boriani wrote:
> Have you any other GPS unit to test your antennae? You can test GPS
> antennae with a network analyzer or a spectrum analyzer with the tracking
> generator... yes, first you have to find one.
>
> On Mon, Jul 30, 2012 at 5:12 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
>
>>
>> cfharris at erols.com said:
>>> I suspect that I have just had the bad luck to buy two bad antennas, but
>> I
>>> am naturally curious what happens when the sample set gets larger.
>>
>> I have 2 TBolts using the small Motorola antenna from TAPR in a not-good
>> location.  The sheet says 24 dB of gain.  I have 6 or 9 or ?? feet of RG-6.
>>
>> They work as expected, that is they work, but not well.  The holdover logic
>> gets tested frequently and surveys take a long time.  But they do work.
>>
>> --
>> These are my opinions.  I hate spam.