[time-nuts] Rooftop antenna and splitter

[Bob kb8tq]

Hi

With things like the uBlox F9 now out on the market cheap …. I would go with 
an antenna that will do L1 / L2 / L5 and work with everything that it up there. 
You still are in the “under $100” range (delivered) for new product from China. 
It’s a good bet that the guts of all of them are made there. It’s also a good bet
that they all are ceramic slab style designs. 

Bob

> On Jan 26, 2019, at 11:10 PM, Denny Page via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> Hi all,
> 
> I’m looking for recommendations on an antenna / splitter configuration. I currently have six GPS/GLONASS/Galileo timing devices, each with it’s own puck antenna in a window. I have an opportunity to move to a (single) roof top antenna, with a splitter to feed the individual devices, and I am looking for recommendations on which antenna and splitter people would recommend.
> 
> So far, I am looking at the following antennas:
> 
> PCTEL GNSS1-TMG-26N (https://www.pctel.com/antenna-product/global-gnss-timing-reference-antenna-gnss1-tmg-26n/)
> 
> PCTEL GNSS1-TMG-40N (https://www.pctel.com/antenna-product/global-gnss-timing-antenna-gnss1-tmg-40n/)
> 
> And the following splitters:
> 
> GPS Networking ALDCBS1x8 (https://www.gpsnetworking.com/products/aldcbs1x8)
> 
> GPS Source S18 (https://www.gpssource.com/collections/gps-splitter/products/s18-1x8-standard-gps-splitter)
> 
> The run from the antenna to the splitter will be 30-35 feet, and from the splitter to the units will be 3-5 feet. I’m wondering about the need for the 40dB vs the 26dB. I haven’t looked at any passive splitters, but even with the 40dB I’m thinking won’t offer enough to support even a 1x6 splitter.
> 
> I would appreciate any thoughts folk have to offer.
> 
> Thanks,
> Denny
> 
> 
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