[time-nuts] Antenna for t-bolt

[Chuck Harris]

Hi Didier,

I have one of the Trimble Bullet antennas, that was supposed to be from
a working system, but it is deaf as a post... really dead.  Given that
it is supposed to be more than 30db gain, it should do better than any
of the hockey puck antennas.

I wonder if there is a common failure mode in that antenna?

-Chuck Harris

Didier Juges wrote:
> I have a Symetricom 58532A which I bought on eBay for $50 with shipping.
> That is probably the best antenna you can get, and it won't break the bank.
> I also have a Trimble Bullet, the antenna that was designed to go with the
> Tunderbolt. It is a very good antenna also, but harder to find, and it has
> lower gain than the 58532A, so at my location (under the roof in Florida),
> at the end of 50 feet of good quality 75 ohm coax, the Symetricom unit
> works better.
> I also have several pucks, including very inexpensive Chinese-made ones and
> a very nice Trimble mag-mount puck that is the best of all the pucks I have
> (in terms of performance and also mechanical design) and which I got for
> $15 on eBay also. They all work, but the Trimble puck is the one I take if
> I need to go mobile.
> Most the pucks I have receive better than the Trimble Bullet. They are
> probably not as good as far as multipath rejection for low angle signals,
> but they are more sensitive and I see more satellites with them.
>
> Didier KO4BB
>
> On Mon, Apr 2, 2012 at 4:39 PM, Bill Riches<bill.riches at verizon.net>  wrote:
>
>> Hi guys,
>>
>> I have asked this question several times over the past few weeks and get no
>> answer.  Have I been ostracized??!!
>>
>> Question is that I am looking for suggestions for GPS antenna for t-bolt.
>> The antenna that I am using now is a no name and I not know where it came
>> from!  Wonder if a Garman GA-30 will work?
>>
>> 73,
>>
>> Bill, WA2DVU
>> Cape May, NJ
>>
>>
>>
>>
>>
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