[time-nuts] TAPR GPS Experimenters Kit
Hal Murray
hmurray at megapathdsl.net
Sun Jun 4 22:06:23 EDT 2017
trojancowboy at gmail.com said:
> A roof antenna with preamp that could drive 100 feet or so of foam RG-58 is
> required.
RG-58 is very lossy at GPS signal frequencies.
The sweet spot on the cost/performance chart is RG-6. It's widely available
as low loss cable TV. It's slightly larger diameter than RG-59. It's 75
ohms, but the loss due to mismatch is small relative to the cable loss.
--
These are my opinions. I hate spam.
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