[time-nuts] Aircraft ping timing
lists at rtty.us
Sun Mar 23 18:50:28 EDT 2014
While you would *think* that LTE and PCS signals would be locked to “something good”, that’s not always the case. If you decide to use something like this for timing, it’s best to check things out carefully. Symmetricom learned this the hard way on one of their boxes ….
On Mar 23, 2014, at 6:28 PM, nuts <nuts at lazygranch.com> wrote:
> FR24 got a bit picky with their latest generation receiver since so
> many of the first generation units "walked." What they have been doing
> lately is giving them to flight schools, which are a bit more
> responsible than your average schmuck.
> You can monitor any of these decoders with
> To keep this timing related. there is am open source program to
> calibrate these DVB-T dongles based on LTE signals.
> I got this running on Opensuse 12.3. I haven't run it lately. Due to
> the bandwidth limit of the rtlsdr-, you can only scan the 700MHz LTE
> signals (Verizon).
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