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TBOLT1000
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one screwed-up WS2008

Sat Dec 04, 2010 6:34 pm

went to Vernon CT to try to record 2 sirens, the Ws 2008 at station 141 and the model 5 at station 441, the model 5 only did a non-audible growl, while the WS2008 did this:

http://www.youtube.com/watch?v=HcV8O2HVo_E

it is supposed to do this(the credit for this video goes to 3t22)

http://www.youtube.com/watch?v=a0jcyGySfYc&feature=fvwk
Proud owner of a Thunderbolt 1000A, Model LV, and a Model J.

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EL1998P71
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Sat Dec 04, 2010 6:53 pm

Sounds like a dog barking on the message :shock:
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Charlie Davidson
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Sat Dec 04, 2010 8:32 pm

What a great burglary alarm! The thieves wouldn't stick around for long after hearing that. :lol:
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ver tum
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Sun Dec 05, 2010 12:24 am

What the...

The tone at the beginning sounds a lot like an ATI. It actually sounds even more like the 1050 HZ tone they use on NOAA Weather Radio.

Sounds like they were playing a recording of someone hammering at the end. Weird...
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TBOLT1000
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Sun Dec 05, 2010 12:38 am

ver tum wrote:What the...

The tone at the beginning sounds a lot like an ATI. It actually sounds even more like the 1050 HZ tone they use on NOAA Weather Radio.

Sounds like they were playing a recording of someone hammering at the end. Weird...
The tone at the beginning is normal actually. I`m not sure what happened, I think something with the radio signal.
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ver tum
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Sun Dec 05, 2010 1:30 am

Ah, I see. I just watched the other video.

I can't help it, but I actually like the unusually high pitch that thing has in 3T22's video. That's about the highest siren tone I believe I'd like, except for maybe on a Thunderbolt 1000. In the comments to his video, he said that he has heard a Whelen 1000 series before, which was even higher than that.
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3t22
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Sun Dec 05, 2010 1:34 pm

wow, that was actually audible over the sirens too. What happens was, the siren didn't malfunction, the radio did as I heard this over my scanner as well. the activation tones were also choppy and failed to activate the entire system the 1st time. He did it a 2nd time and the voice tones were again choppy and failed to activate anything. 3rd time was the charm, as the tone went out fine and he did the announcment, kind of flustered sounding. Than he attemtpted to activate the system again, and again it was choppy, finally in the 3rd attempt, the otones went out properlly and the 2 2008 sounded as normal as did our 7, and 2. And as he mentioned the 1050hz tone before the announcment is normal.
In the comments to his video, he said that he has heard a Whelen 1000 series before, which was even higher than that.
The recording I heard, which I was recentlly reunited with from the 1st siren contest when Jason posted all those old classic recordings a few weeks ago (Tremont5tt). That made the WS 2008 sound like an STL-10.
Sounds like a dog barking on the message
and I'm sorry but I can't help myself "what's that boy? Timmy's testing the sirens?" :lol: Yeah, I know very cheesy, buy my sleep deprived brain thinks it's funny.
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bwillcox
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Sun Dec 05, 2010 2:13 pm

The "barking" noise is the squelch crash from the repeated opening/closing of the squelch on the siren receiver, hugely amplified thanks to the PA deck of the siren.

You shouldn't hear a squelch crash like that unless you're on a receiver that doesn't support reverse burst properly and/or uses a different phasing of reverse burst than the transmitter (i.e. Kenwood repeater but Motorola portable/base)

In this case though it sounds like the base station/repeater needs some serious love from a radio shop especially since its also affecting the tones and ticking off the emergency manager.

-b-
"Highland Village to Chief 480..Are the sirens going off? We're not sure if we set them off right or not." :lol:

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landmobile
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Sun Dec 05, 2010 5:05 pm

bwillcox wrote:You shouldn't hear a squelch crash like that unless you're on a receiver that doesn't support reverse burst properly and/or uses a different phasing of reverse burst than the transmitter

In this case though it sounds like the base station/repeater needs some serious love from a radio shop
The base station or repeater only sends out a reverse burst at the end of a transmission (when PTT is released). As long as the operator didn't unkey the transmitter in the middle of the test, the static crashes heard at the receiver would most likely indicate an intermittent transmitter or antenna. As you said, TLC from the radio shop ASAP!
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Tue Jan 04, 2011 2:22 am

Techno Whelen!!!!!!!
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