PSN-L Email List Message

Subject: Re: GPS RECEIVER
From: jonfr@.........
Date: Mon, 1 Nov 2010 16:43:55 -0000


Hi,

I have never had a GPS signal jammed because of some other transmitters
that are being used close to my GPS antenna.

Regards,
Jón Frímann.

> Hello PSN:
>
> Many of you have this gps receiver to get good times on your graphs
> and over time you should learn any problems.
>
> I have found one Which I do not know how to beat.
>
> There seems to be RFI related problems
> where the in the presence of a high energy RF field
> of some frequency the GPS signal or A/D board is being
> jammed and the lock is lost and an alarm will sound.
>
> This problem is not the fault of of the device
> but simply related to the fact the unwanted RF signal
> has penetrated the electronics.
>
> Can anyone tell me if they have successfully won
> the battle of when like a police car or fire truck
> or other government car is outside in the neighborhood with a 25 watt
> transmitter maybe 100ft away and using their radio ?
>
> It wipes out my data and everything for a minute or so.
>
> This mostly happens in the winter when the city
> here grows three times its normal population.
>
> Comments ?
>
> geoff
>
> or, grumbly in Arizona.
>
>
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