Author Topic: NOAA WEATHER RADIO  (Read 36524 times)

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Offline saratogaWX

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Re: NOAA WEATHER RADIO
« Reply #775 on: December 11, 2017, 02:24:13 PM »
You may have noticed a couple of changes in some pages on noaaweatherradio.org based on our beta running of automated stream quality assessment.
1) the main player now shows the 'Gold Star' quality status for each feed based on the prior 7 days scores for that stream.
2) the dynamic Hazards page now shows the quality status in the pop-up/mouse-over tooltips for each displayed station.

Lastly, if you're using the PWS radio player, you'll see hollow and filled stars before the station callsign in the drop-down selection list for station.  There will be a future update to the PWS player that more fully explains (and additionally displays) the quality status.

Best regards,
Ken
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Offline ValentineWeather

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Re: NOAA WEATHER RADIO
« Reply #776 on: December 11, 2017, 03:06:36 PM »
So stars are given out for taking a mono stream and splitting it into FAKE stereo. Makes sense, now we can listen to dual crappy stream equally both ears.
« Last Edit: December 11, 2017, 05:32:46 PM by ValentineWeather »
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Offline Cutty Sark Sailor

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Re: NOAA WEATHER RADIO
« Reply #777 on: December 11, 2017, 04:10:30 PM »
In reality, out of all the streams listed, only a couple dozen are streaming only one channel, and the majority of them are third party streams, and not this WxForum community generally..,.
Last report showed 54 or so streams with Stars... not bad... many others are 'on the verge' and just need to tweak a bit of volume up or down, or other minor or something similar...
the parameters are pretty liberal in most cases... and not every parameter is easily measured, such as inherent hum, some types of noise... so a few 'get away' with some of that, but
still get a star... so be it...  Availability of stream over last 7 days is most weighted, with volume 'window' second.

One thing to remember about the Stars... they're a measure of a Stream's 'performance not necessarily any provider'...  though the key elements rest with the provider, most of the time.

Yep, if the stream is encoded as stereo, and most streams are, then both channels equal are desired... at least that throws the audio to the middle... Not everybody listens with a desktop... and is especially annoying to someone with headphones, ear buds, switching between streams... or is 'deaf' in the ear that a single channel is on... also gives more 'apparent' power to the stream.  Lot's of reasons, and we mention two channels several times in the how to, quality, etc...  We prefer to think of it as 'MONO'... since 'left only' or 'right only' is 'Grossly irritating Unbalanced Stereo".
Regardless of that, availability and volume parameters are the most important.  But NO Star for 'single channel' ! In effect, it becomes a 'volume' parameter. 
Another Star Preventer is too low a stream Bit Rate, and or Sampling Rate ... but a 'bad strem' is still better than No Stream, especially if there is no alternate available for that area.... Initial Criteria is spelled out in the 'tool tip' in the legends.

And these criteria and the principle have been / are being / hashed out, developed, and refined over months, not just on the 'spur of the moment' and are the results of long term observation, monitoring, experiments, discussion, and Promises Made to NOAA....

Coming soon, the 'analysis suite' tools and notifications for providers, ....  still wrestling with some things... Ken and Doug don't have much hair left.
When that goes live and folks submit a form and subscribe, each provider will know the 'objective' status of the parameters used, and will be ale to
check the actual 'current' status, as well as the 'daily' analysis, which completes, currently, about 11PM ET, or any 'random' samoles,....
"Availability' checks are run hourly to see if each stream server accessible at that time...
Lots of goodies...
Save a life!
Mike
« Last Edit: December 11, 2017, 04:21:36 PM by Cutty Sark Sailor »

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Offline mikev

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Re: NOAA WEATHER RADIO
« Reply #778 on: December 14, 2017, 11:05:01 PM »
I'm one of those streaming real mono audio (just one channel), instead of fake stereo (two channels, both playing the same thing). I'm only streaming 16 Kbps since I'm only streaming one channel. If I were streaming stereo, I'd double the bitrate accordingly. But I don't see any need to waste bandwidth - my ISP has a monthly bandwidth cap and my server provider does too - for something that doesn't really change how it will sound.

Removing the stereo/32 Kbps requirement, I'm curious which star I would get, if any. I'm happy with my stream quality as it is, and won't be changing things just for that mark. Just wondering what I'd get.

Offline NWROrg Team

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NOAA Weather Radio Org Quality / Reliability Tools
« Reply #779 on: December 15, 2017, 01:49:10 AM »
NOAA Weather Radio Org Quality / Reliability Tools

ANNOUNCING


Now Live and Available for NOAA Weather Radio Org Stream Providers

Initial Release Overview and examples at this thread:
http://www.wxforum.net/index.php?topic=33392

Offline SteveFitz1

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Re: NOAA WEATHER RADIO
« Reply #780 on: December 16, 2017, 09:59:48 AM »
Got my first quality report last night. It indicated my volume was slightly high. I adjusted it downward slightly, ran a new test, now it shows as GOOD.

Congrats to the NWROrg Team. Outstanding set of tools you've provided for us. =D>

Steve

Offline NWROrg Team

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URL INCORRECT When Form Submitted
« Reply #781 on: December 16, 2017, 12:06:04 PM »

Offline ed2kayak

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Re: NOAA WEATHER RADIO
« Reply #782 on: December 16, 2017, 10:37:18 PM »
 =D>
Very nice implementation of Quality Tools Motioning website. I just looked at my stream live.

Your team deserves a lot of credit for this project.

On a side note I've been using Pira CZ silence detector, a previously suggested monitoring tool for about 5 weeks. It looks to be a useful tool.

Thanks

Ed
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Offline Jumpin Joe

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Re: NOAA WEATHER RADIO
« Reply #783 on: December 17, 2017, 02:51:16 PM »
I have read that there are some members that are not happy having their NOAA Radio stream disabled.

I too have had mine disabled before for various reasons, many times... did it make me happy, no. However, it provided me the opportunity to improve my stream.

Having had experienced these inconvienences drove me to volunteer as a tester for the Quality Tool Monitoring project. I was accepted and the tool now provides me with great data on the quality of my stream.

The people that started and now help the entire NOAA Radio Org should be applaued for all they have done and continue to do.  To be recognized by NOAA is a real blessing!!


THANKS TO ALL!!!!

Joe

   
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Offline NWROrg Team

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Offline tim273

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Re: NOAA WEATHER RADIO
« Reply #785 on: January 27, 2018, 09:29:03 AM »
Just an FYI, my stream will be down from 2/7/2018 - 2/11/2018 while we move.  I hope to get it back up and running ASAP.

Offline sacreyweather

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Re: NOAA WEATHER RADIO
« Reply #786 on: February 07, 2018, 06:44:12 PM »
WXJ55 is back on the air as of 13:30 CST.

As of this morning 02/08/2018, WXJ55 is pretty much non usable. A lot of background noise. Tried the channel with my Midland WR300 with the same result. NWS Little Rock is aware of the problem and working on it with the phone company.

WXJ55 has a pretty good hum in it. Have a Tweet out to the NWS Little Rock office with that info. The hum is on the radio transmission itself, not computer related.
« Last Edit: February 08, 2018, 02:31:07 PM by sacreyweather »
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Offline mikev

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Re: NOAA WEATHER RADIO
« Reply #787 on: February 09, 2018, 08:35:36 AM »
Just a note that KHB36 will be off-air from 10a-5p today for maintenance at the transmitter site. Since there are two of us streaming, along with two "Alert Eagle" streams listed, all will be silent during that time.

 

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