Re: SparkFun GNSS L1/L5 Breakout - NEO-F10N, SMA - GPS-24114 - SparkFun Electronics

[Frank Nicholas]

> On Mar 25, 2024, at 6:59 PM, Greg Troxel <gdt@lexort.com> wrote:
> 
> Frank Nicholas <frank@nicholasfamilycentral.com> writes:
> 
>> Not that I know anything about it, but Sparkfun’s product page states,
>> “Utilizing the L5 band, the NEO-F10N delivers improved performance
>> under challenging urban environments. The L5 signals fall within the
>> protected ARNS (aeronautical radio navigation service) frequency band,
>> leading to less RF interference.”
> 
> That sounds like a quote from u-blox marketing people.  It might be
> true, and it might be a claim made with no data that isn't true.

I’m sure the L5 statement for the F10N is directly from the Ublox marketing 
team.  Sparkfun is just trying to sell a breakout board with the Ublox F10N.

> Without a reference to data published in a peer-reviewed journal, I'm
> skeptical :-)  It's certainly possible L5 is quieter.
> 
> Perhaps someone can get data out of an F9, which I think can measure
> noise levels, with a L1/L2/l5 antenna, in a statistically  valid sample
> of urban locations.  Or use a spectrum analyzer.

Does the F9 support L5?  I don’t think I’ve seen L5 support advertised for any 
of the boards I’ve looked at.