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Old 11-10-2013, 2:09 PM
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Default Identifing Data Signal

I am interested in identifying this 800 mhzdata signal
They are about 20khz wide and there are lots of them.


Thanks, Mike

Last edited by mmisk; 01-05-2018 at 11:33 AM..
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Old 11-10-2013, 2:12 PM
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Default Another screen capture:

Another screen capture of the data signal I would like to find more info on,

Mike

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Old 11-10-2013, 4:54 PM
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Do you have audio? Spectrum shots aren't useful enough.
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Old 11-10-2013, 8:21 PM
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Actually I'm going to throw a dart and say they're iDEN channels, aka TELUS MiKE. 865.6625 is one of the licensed frequencies for it in the Ottawa area.

Unlike the US, Canadian iDEN providers have not turned off the iDEN network yet. Many entities still use iDEN as everything from a "cheap" two-way radio to a full trunked communications network (for good or for bad) here.

I have seen bandwidths in Spectrum Direct from 17.7 to 25 kHz for them.
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Old 11-11-2013, 11:36 AM
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Default Enlarged Screenshot

Here is an enlargement of the signal. It seems to have four "slots" about 5k wide.

I can recover some data audio if I reduce bandwidth, but difficult to describe. Certainly is interesting.

Mike

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Old 11-11-2013, 12:31 PM
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Quote:
Originally Posted by Jay911 View Post
Actually I'm going to throw a dart and say they're iDEN channels, aka TELUS MiKE. 865.6625 is one of the licensed frequencies for it in the Ottawa area.

Unlike the US, Canadian iDEN providers have not turned off the iDEN network yet. Many entities still use iDEN as everything from a "cheap" two-way radio to a full trunked communications network (for good or for bad) here.

I have seen bandwidths in Spectrum Direct from 17.7 to 25 kHz for them.
X2 on iDEN, especially after you zoomed in.

And it's called a "Bart's head", named for Bart Simpson's hair.

They should technically be 18.54 kHz wide.
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Old 11-11-2013, 12:37 PM
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HA!..... I really like the "Barts Head" description!
Thank you for the help. I think Bart has jaundice or some other medical condition.

Mike
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