[time-nuts] GPS Selective Availability. Is it On or Off?

Magnus Danielson cfmd at bredband.net
Sun Mar 12 17:33:24 UTC 2006


From: Don Mimlitch <donmeis at yahoo.com>
Subject: [time-nuts] GPS Selective Availability. Is it On or Off?
Date: Sun, 12 Mar 2006 09:23:36 -0800 (PST)
Message-ID: <20060312172336.82486.qmail at web33609.mail.mud.yahoo.com>

> My understanding is that Selective Availability was turned off. Is that True?

Yes. The Anti-Spoofing (AS) is however still enabled.

>   I Have an AUTEC Frequency Standard w/Rubidium Oscilator which is Disciplined by a GPS Receiver.
>   
>   I notice during initial Disciplining that once every 75 seconds  (exactly 75 Seconds) it get two consecutive readings that are way out  of spec. Thus I wonder whether this might be selective availability at  work.

I would look for other sources, probably much more local than the GPS setup.

Cheers,
Magnus




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