alphapointe
Premium,MVM
join:2002-02-10
Columbia, MO
clubs:
 ·Mediacom
1 edit | Unknown RTTY
Can anyone get this to decode? I found this RTTY at 173.395MHz, and I can't get HRD/DM780 to decode any of it. JAWS is acting up when I try to change baud rates, and since I don't know what the rate is anyway, I can't figure it out. |
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DrStrange
Technically feasible
Premium
join:2001-07-23
West Hartford, CT | Just a wild hunch:
Are there any wireless utility meters in your area? |
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alphapointe
Premium,MVM
join:2002-02-10
Columbia, MO
clubs:
·Mediacom
| I don't know. This was copied from the radio at the hospital, so the antenna is >150' above the ground, so it could have come from a pretty wide area.
I tried looking it up, but JAWS isn't behaving properly on the radioreference site (I think I'm having problems with JAWS itself again...) and didn't find anything. |
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mb
join:2000-07-23
Washington, NJ | No FCC License on file, it is allocated as a secondary service for Land Mobile. |
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burner50
Pinlifter
Premium,VIP
join:2002-06-05
EN22wm
·Mediacom
 ·FrontierNet Intern..
1 edit | reply to alphapointe
quote:
Search Results for 173.395 in (the Entire Database)
No identified information found in the database for: 173.395
From Radioreference.com
I believe that frequencies in that band are narrow, so is it possible that you were a little off on the frequency?
I see where I live the Airport and Xenia RWD have frequencies licensed in that band, And they're both 6K00F2D which means FM Digital Data 6Khz wide... Probably the reason HRD wont decode it... I dont know if HRD can do digital packet.
--EDIT--
Looking thru the licenses now... Now that I figured out what county Columbia is.
You seem to be 125 off on that frequency. I found several licenses. 173.39625
»www.radioreference.com/apps/db/?cs=KNHP565
»www.radioreference.com/apps/db/?cs=KNIF267
»www.radioreference.com/apps/db/?cs=KNIF269
»www.radioreference.com/apps/db/?cs=WNQZ512
»www.radioreference.com/apps/db/?cs=KNIF268
Theres more, But I dont want to transpose all of them... I dont know if your software can even read them...
Looks to be for water monitoring systems...
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I'm tired of killing stupid people just trying to do my job and go home! |
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Splitpair
Premium
join:2000-07-29
Cow Towne
 ·T-Mobile US
| Wanna bet that's not RTTY but a FSK SCADA system something like MOSCAD, further I am willing to bet if the signal strength was measured it would be determined to be a master/slave polling system, I base that on the fact the transmission sounds like it is not continuous.
Wayne
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If you cannot fix it with a buttset and some beanies you're not a technician. |
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Splitpair
Premium
join:2000-07-29
Cow Towne
·T-Mobile US
| reply to burner50
Based on the FCC database and the described locations (tanks standpipes etc.) it appears to be a master slave SCADA system for the Boone County Consolidated Public Water Supply District.
»fjallfoss.fcc.gov/General_Menu_R···select=4
Wayne
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If you cannot fix it with a buttset and some beanies you're not a technician. |
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alphapointe
Premium,MVM
join:2002-02-10
Columbia, MO
clubs:
·Mediacom
| That must be it.
I don't know anything about SCADA. What does it do, send water pressure/flow, etc?
Is there a program that will decode it, or would there even be anything to see?
(I'll change the step on the radio tonight and see if it sounds better when it's actually on-frequency...)
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Boone County Scanner Feed:
»boone.mo.scanamerica.us/
"If I have the opportunity, I'll take whoever put that look on your face, my darling Eve, and peel the skin from their bones, one thin layer at a time" -- Memory In Death
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drjim
Premium,MVM
join:2000-06-13
Torrance, CA
clubs: | All you wanted to know:
»en.wikipedia.org/wiki/SCADA
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One man's Magic is another man's Engineering. |
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kewlkeed
Grouch
Premium
join:2005-02-05
Knowlton, QC | reply to alphapointe
For the computer type...
Think of a dedicated SNMP radio system between pieces of equipment  |
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alphapointe
Premium,MVM
join:2002-02-10
Columbia, MO
clubs: | reply to alphapointe
I don't have a recording yet, as I can't find the cable for my laptop, but I found some very fast RTTY on 5.34150LSB. It has an 850hz shift, but I can't get it to decode. It's been there all night since about 0600Z on... Anyone have any ideas? |
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