[time-nuts] Thunderbolt antenna

[Peter Gottlieb]

Exactly.  I'll probably wait until NEARfest up here and pick one up there.  You 
know, more justification to go.

Peter



On 3/10/2013 12:45 PM, George Dubovsky wrote:
>
>
>
>
>     It seems, just go with quad shield RG-6 and be done with it.  I even have
>     part of a spool of that laying around.  Maybe more of an issue is how do
>     you properly connect a TNC to that stuff (the antenna has a TNC).
>
>     Peter
>
> Here is one solution:
>
> <http://www.showmecables.com/Category/F-Connectors-Adapters.aspx?q=&pg=1&ps=25&fq={attr_display2_sm:TNC%20to%20F}&fq={attr_display2_sm:F%20to%20TNC} 
> <http://www.showmecables.com/Category/F-Connectors-Adapters.aspx?q=&pg=1&ps=25&fq=%7Battr_display2_sm:TNC%20to%20F%7D&fq=%7Battr_display2_sm:F%20to%20TNC%7D>>
>
> 73,
>
> geo - n4ua
>
>
>
>
>
>     On 3/10/2013 11:01 AM, Volker Esper wrote:
>
>
>         Hi Peter,
>
>         Why not. The antenna is optimized for that purpose (receiving GPS L1),
>         omnidirectional and tuned to the GPS frequency, snow skids down, birds
>         can't land on it. As N0UU affirms, there's nothing further sensational
>         inside.
>
>         I don't know, how proficient you are with radio frequency stuff, but a
>         gain of 35dB does not guarantee a good reception. You primarily need
>         gain to compensate (cable) losses. The noise figure (NF), for example,
>         can get much more important.
>
>         What antenna do you use at the time? If you are using a magnetic car
>         roof antenna a Trimble Bullet surely will be a better choice...
>
>         There are lots of GPS antennas on ebay for even less than 30 Dollars.
>         I run four different antennas, which I purchased from ebay and none of
>         them has failed so far.
>
>         Volker
>
>
>
>
>
>
>         Am 10.03.2013 06:07, schrieb Peter Gottlieb:
>
>             I'd like to get a better antenna for my Thunderbolt.
>
>             I see Trimble bullet antennas type 57860-00 on ebay for $30 or so,
>             specs look to be 5 volt 35 dB gain.
>
>             Would something like this be a good choice?
>
>             Peter
>
>
>
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