Bell mobility

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Smittyboy

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Already tried close call haha family member lived next to the hall and got nothing, and no antennas or anything on the building, and 150.5 is there radios only got that programmed in, I've been try to contact bell themselves but have had no response from anyone yet. I will keep trying close call however
 

Jay911

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Wups, sorry then, I got nothing more. I don't think it'd be on the Bell TMRS nor on the 149.77 channel.

If they have the channel available in their radios along with 150.5, we can narrow it down a bit further - the frequency will be somewhere between 138 and 174 MHz. It's unlikely they would have multi-band radios with a system like that, so their dispatch channel would have to be in the same band as their fireground channel.

Best of luck!
 

Smittyboy

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Wups, sorry then, I got nothing more. I don't think it'd be on the Bell TMRS nor on the 149.77 channel.

If they have the channel available in their radios along with 150.5, we can narrow it down a bit further - the frequency will be somewhere between 138 and 174 MHz. It's unlikely they would have multi-band radios with a system like that, so their dispatch channel would have to be in the same band as their fireground channel.

Best of luck!

I managed to catch a video http://youtu.be/R1P68DU4JsI
 

hfxChris

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I have to admit that's surprising to me... that frequency is usually a Bell POCSAG paging frequency, not voice. Do you hear any other weird digital noises on that frequency?
 

Jay911

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I guess I stand corrected. Is that the only part of the tone at the beginning of the page, or is there another tone?

I believe this is a very old kind of voice paging and not normally used for the fire service. There's some voice paging where you dial a phone number and provide a message which is then paged to the recipient. Normally the recipient has a single pager that only opens when it receives the tones heard at the beginning of the signal. I can believe that it might be possible to program fire pagers (Minitors) to open only on that tone. If the firefighters switched their Minitors from alert (bell) to open monitor (speaker), they'd probably hear all the other junk on the channel too.

I have extreme doubts there's any CTCSS on the channel - the intent is that the tone at the beginning of the transmission is what tells the receiver to open up. If your scanner supports Fire Tone Outs (I can't tell what kind of scanner it is from the video), you might be able to set up FTO to open only on that signal. However, Fire Tone Out requires that the radio be stopped on that frequency - it doesn't allow you to scan at the same time.
 

Smittyboy

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I guess I stand corrected. Is that the only part of the tone at the beginning of the page, or is there another tone?

I believe this is a very old kind of voice paging and not normally used for the fire service. There's some voice paging where you dial a phone number and provide a message which is then paged to the recipient. Normally the recipient has a single pager that only opens when it receives the tones heard at the beginning of the signal. I can believe that it might be possible to program fire pagers (Minitors) to open only on that tone. If the firefighters switched their Minitors from alert (bell) to open monitor (speaker), they'd probably hear all the other junk on the channel too.

I have extreme doubts there's any CTCSS on the channel - the intent is that the tone at the beginning of the transmission is what tells the receiver to open up. If your scanner supports Fire Tone Outs (I can't tell what kind of scanner it is from the video), you might be able to set up FTO to open only on that signal. However, Fire Tone Out requires that the radio be stopped on that frequency - it doesn't allow you to scan at the same time.


It's 2 tone, never caught the beginning and no my scanner don't support fire tone outs sadly, guess I'll have to keep them locked out lol only so long a person can deal with the other junk haha
 

kayn1n32008

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149.7700MHz typically uses Pocsag format. You'll need to use a suitable decoder program (two-tone detect isn't one) to follow the pages. POC32 was one such program.

Paging isn't going anywhere soon. It's got quite a few more years to go.


Telus eliminated both their 149.7700MHz POCSAG and 900MHz FLEX paging in Alberta and BC last year around the end of March. For about a month after the turn down, the VHF transmitter local to me was dead keyed until a tech physically visited the site and pulled the plug.


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