Author Topic: Weather Underground NWS Streaming Project  (Read 118905 times)

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Offline anchorageweather

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Re: Weather Underground NWS Streaming Project
« Reply #150 on: January 06, 2007, 02:12:41 AM »
Quote from: "kray1000"
Until a new version of the instructions is published, I'll put an updated version here...
http://www.roanokevalleyweather.com/noaawxradio/lame3.98a11.zip


I'm assuming lame3.98a6.zip and lame3.98a11.zip are the same thing?!?
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Offline kray1000

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Re: Weather Underground NWS Streaming Project
« Reply #151 on: January 06, 2007, 02:27:05 AM »
Some of the file sizes are different, so I dug the lame3.98a6.zip file out of my recycle bin.  We'll start off using what we know works so everyone's on the same page.
http://www.roanokevalleyweather.com/downloads/lame3a6.zip

EDIT:  Updated URL.
« Last Edit: October 15, 2007, 09:52:10 PM by kray1000 »

Offline up10ad N9RJH

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Re: Weather Underground NWS Streaming Project
« Reply #152 on: January 06, 2007, 07:30:10 AM »
I've been following this project and thought I'd get involved after the first of the year.  However, for Christmas I received a OS radio and it includes a line-out jack!  :D   So, I began looking into the setup and quickly found that my location, Rio Blanco County in Colorado, is one of only 5 counties that has no weather radio broadcasts.  The nearest is Grand Junction which is about 60 miles as the crow flies, 90 by highway.  Even with a good external antenna I couldn't get any reception.  I guess the radio isn't very useful after all  :( .
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Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #153 on: January 06, 2007, 08:06:39 AM »
Quote from: "k6dyc"
I've been following this project and thought I'd get involved after the first of the year.  However, for Christmas I received a OS radio and it includes a line-out jack!  :D   So, I began looking into the setup and quickly found that my location, Rio Blanco County in Colorado, is one of only 5 counties that has no weather radio broadcasts.  The nearest is Grand Junction which is about 60 miles as the crow flies, 90 by highway.  Even with a good external antenna I couldn't get any reception.  I guess the radio isn't very useful after all  :( .


Here is the NWS radio signal strength map.

Guess you fall in the red.

http://www.nws.noaa.gov/nwr/states/colorado.html

Closeup (uses a different color coding scheme?)

http://www.nws.noaa.gov/nwr/co/glenwoodsprings.gif

Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #154 on: January 06, 2007, 08:16:06 AM »
Quote from: "ncpilot"
I constructed the isolation transformer patch, and upped my bitrate to 24...

wuhu and others, let my know how it sounds now...

Winnabow, NC

I found a major sound difference by upping the bitrate... can't really say if the hum is gone or not...


ncpilot,

In my opinion the hum has been greatly reduced.

It is now barely perceptible. Hard to say if it can be eliminated beyond where you are now.

Were you experimenting with different power packs as well? You might try putting the original transformer back on the radio and see how that works.

Thanks for making the extra effort!

Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #155 on: January 06, 2007, 09:00:21 AM »
Quote from: "ncpilot"
I constructed the isolation transformer patch, and upped my bitrate to 24...

wuhu and others, let my know how it sounds now...

Winnabow, NC

I found a major sound difference by upping the bitrate... can't really say if the hum is gone or not...


I have updated the 'Eliminate Hum' page to include samples from your station showing the improvement that the transformer can make.

Thanks.

http://home.comcast.net/~wuhu_software/EliminateHum/

Offline ncpilot

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Re: Weather Underground NWS Streaming Project
« Reply #156 on: January 06, 2007, 09:46:09 AM »
Here's my "I don't need no stinkin battery box" fix...



I only have the one general purpose adapter, but I did plug it into a different outlet.

I found that increasing the bitrate seemed to increase the higher frequencies, resulting in more hiss. But listening to the 2 clips it is obvious that the hum has been decreased.

And somewhat off topic, but a pic I found on the server for those that think they're serious about weather:



If I recall correctly, I believe the owner of this car lives in NC, up in the Raleigh area I think...

http://www.stormstudy.com/project.html
Marc
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Offline DundeeWeather

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Re: Weather Underground NWS Streaming Project
« Reply #157 on: January 06, 2007, 10:05:37 AM »
Quote from: "ncpilot"

I found that increasing the bitrate seemed to increase the higher frequencies, resulting in more hiss. But listening to the 2 clips it is obvious that the hum has been decreased.


I did some reading and decided to increase my bitrate from 16 to 24.  I think it's just a little cleaner for me, but frankly I couldn't tell a huge difference.

http://audiostream.wunderground.com/DundeeWeather/Dundee.mp3.m3u

When I first started this stream the volume from the feed was a little low.  So I increased the volume on the radio while listening to the feed.  There's a point where if you give it too much volume it will become a bit over modulated or distorted.  Luckily I've never had the hiss and I'm surprised.  I'm coming right off the ext. speaker from the back of the radio directly into the line in on the sound card.  


Quote from: "ncpilot"

And somewhat off topic, but a pic I found on the server for those that think they're serious about weather:

If I recall correctly, I believe the owner of this car lives in NC, up in the Raleigh area I think...


WOW - Thanks for that picture.  I am so not worthy to call myself "serious" in weather.  That guy is way above me.  That picture made me go, "hmm I need something like that"  Wonder how he got the VP to reach his car when he was out of range.  Do you think he put up relay transmitters all around his local area?  I don't think you can drive too far away from the station before losing signal can you?

Greg
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Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #158 on: January 06, 2007, 10:15:45 AM »
Quote from: DundeeWeather
Quote from: "ncpilot"


WOW - Thanks for that picture.  I am so not worthy to call myself "serious" in weather.  That guy is way above me.  That picture made me go, "hmm I need something like that"  Wonder how he got the VP to reach his car when he was out of range.  Do you think he put up relay transmitters all around his local area?  I don't think you can drive too far away from the station before losing signal can you?

Greg


That is quite the setup.

I would guess that he has his sensor array on some type of magnetic mount that he props up when he stops.

Some storm chasers have their sensors permanently mounted to the roof although they end up with broken sensors from flying rocks.

Offline ocala

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Re: Weather Underground NWS Streaming Project
« Reply #159 on: January 06, 2007, 10:19:19 AM »
Notice the satellite weather feed in the lower left corner of the VP.
Sweet!
I stand corrected. After looking at the web site its some sort of radio. However they did say they have a XM/WX satellite feed somewhere in there.
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Offline DundeeWeather

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Re: Weather Underground NWS Streaming Project
« Reply #160 on: January 06, 2007, 10:24:35 AM »
Quote from: "ocala"
Notice the satellite weather feed in the lower left corner of the VP.
Sweet!


Yeah this guy is serious about the weather.  Makes me look like a rookie.  Oh wait, I am a rookie.  He's probably part of the Emergency Management for his county along with Skywarn and other emergency services.  Oh and I assume "he" sorry ladies, could be a "her" as well.
Greg - N2WAI - Dundee, Michigan --- Davis Wireless VP2, VWS 13.00 p20 --- WinXP Pro-SP2

Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #161 on: January 06, 2007, 10:55:03 AM »
Quote from: "DundeeWeather"
Quote from: "ocala"
Notice the satellite weather feed in the lower left corner of the VP.
Sweet!


Yeah this guy is serious about the weather.  Makes me look like a rookie.  Oh wait, I am a rookie.  He's probably part of the Emergency Management for his county along with Skywarn and other emergency services.  Oh and I assume "he" sorry ladies, could be a "her" as well.


Speaking of Skywarn, it might be interesting to upload multiple feeds to WU, one for the NWS radio, one for the spotter network.

If you have a stereo line input, I believe this is possible to do. If I am not mistaken, the user can user their balance control to listen to one station or the other. Maybe it would be easier to use two sepeate inputs, and two streams, not sure.

If you have never heard spotters in the field during a storm, it is pretty interesting. The usually only activate the spotters when there is a potential for widespread damage.

I am a bit outside of range for picking all of the transmissions, especially when it is a lightning storm, but it is interesting.

Offline anchorageweather

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Re: Weather Underground NWS Streaming Project
« Reply #162 on: January 06, 2007, 11:31:26 AM »
Quote from: "anchorageweather"



Yes, I think I am going to give it a shot - probably after i get all of my Christmas decorations down - UGGG


Well, I got everything set up and I can broadcast, but I forgot about one important point.  I forgot I can't use my computer audio for anything else than the weather broadcast.  

For some reason I thought that I would be able to use my computer speakers for music, etc. while the weather broadcast played "in the background".  

Is there a way to set up mayby a second sound card that will run only the weather broadcast, and leave the rest of my system to me?
South of the Tracks, Anchorage, KY

Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #163 on: January 06, 2007, 11:41:29 AM »
Quote from: "anchorageweather"
Quote from: "anchorageweather"



Yes, I think I am going to give it a shot - probably after i get all of my Christmas decorations down - UGGG


Well, I got everything set up and I can broadcast, but I forgot about one important point.  I forgot I can't use my computer audio for anything else than the weather broadcast.  

For some reason I thought that I would be able to use my computer speakers for music, etc. while the weather broadcast played "in the background".  

Is there a way to set up mayby a second sound card that will run only the weather broadcast, and leave the rest of my system to me?



You can continue to use your audio for other purposes, just mute the line-input source under your play control (double click speaker, lower right by clock, if line-in does not appear in list, goto options, properties, add checkboxs to any audio source that is not listed).

The line-in can then be used as a recording device only.

Offline anchorageweather

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Re: Weather Underground NWS Streaming Project
« Reply #164 on: January 06, 2007, 12:31:59 PM »
Quote from: "wuhu_software"
Quote from: "anchorageweather"
Quote from: "anchorageweather"



Yes, I think I am going to give it a shot - probably after i get all of my Christmas decorations down - UGGG


Well, I got everything set up and I can broadcast, but I forgot about one important point.  I forgot I can't use my computer audio for anything else than the weather broadcast.  

For some reason I thought that I would be able to use my computer speakers for music, etc. while the weather broadcast played "in the background".  

Is there a way to set up mayby a second sound card that will run only the weather broadcast, and leave the rest of my system to me?



You can continue to use your audio for other purposes, just mute the line-input source under your play control (double click speaker, lower right by clock, if line-in does not appear in list, goto options, properties, add checkboxs to any audio source that is not listed).

The line-in can then be used as a recording device only.


 :oops: Duh... Now why didn't I think of that.  I'm up at:

http://audiostream.wunderground.com/ericisback/Louisville.mp3.m3u

Feedback please.  

Also, refresh my memory - how do I actually get the feed on WU at:

http://www.wunderground.com:80/wxradio/index.html
South of the Tracks, Anchorage, KY

Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #165 on: January 06, 2007, 12:46:50 PM »
Quote from: "anchorageweather"
Quote from: "wuhu_software"
Quote from: "anchorageweather"
Quote from: "anchorageweather"



Yes, I think I am going to give it a shot - probably after i get all of my Christmas decorations down - UGGG


Well, I got everything set up and I can broadcast, but I forgot about one important point.  I forgot I can't use my computer audio for anything else than the weather broadcast.  

For some reason I thought that I would be able to use my computer speakers for music, etc. while the weather broadcast played "in the background".  

Is there a way to set up mayby a second sound card that will run only the weather broadcast, and leave the rest of my system to me?



You can continue to use your audio for other purposes, just mute the line-input source under your play control (double click speaker, lower right by clock, if line-in does not appear in list, goto options, properties, add checkboxs to any audio source that is not listed).

The line-in can then be used as a recording device only.


 :oops: Duh... Now why didn't I think of that.  I'm up at:

http://audiostream.wunderground.com/ericisback/Louisville.mp3.m3u

Feedback please.  

Also, refresh my memory - how do I actually get the feed on WU at:

http://www.wunderground.com:80/wxradio/index.html



Just fill out the form here:

http://www.wunderground.com/wxradio/signup.html

Once that is filled out, the station will appear on the main web page listing.

Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #166 on: January 06, 2007, 12:48:55 PM »
Oh, by the way, the audio quality is good.

Offline anchorageweather

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Re: Weather Underground NWS Streaming Project
« Reply #167 on: January 06, 2007, 03:36:42 PM »
Quote from: "wuhu_software"


Just fill out the form here:

http://www.wunderground.com/wxradio/signup.html

Once that is filled out, the station will appear on the main web page listing.


Done!  The WU page shows the broacast location as New Albany, IN (technically correct); however, I don't know how many people from Louisville actually know the station for Louisville is located in New Albany, IN.  Hope that is not a problem.
South of the Tracks, Anchorage, KY

Offline anchorageweather

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Re: Weather Underground NWS Streaming Project
« Reply #168 on: January 06, 2007, 04:29:38 PM »
Ok, I'm up and running, I was wondering if someone might be able to help me get the info to my website.  Is there some html or php script I can use to get the stream to broadcast on one of my site's pages like:

http://topsailweather.com/noaa_live.php

or

http://www.carterlake.org/noaaradio.php

I have no idea how to get the windows player to load on a page like that :?

EDIT:

I took a look at some sites and I think I figured out the embedding process enough to get something up on my site.  I think that about covers everything.  Thanks everyone for all the help and examples.  I hope now someone can use the stream. :)
South of the Tracks, Anchorage, KY

Offline SLOweather

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Re: Weather Underground NWS Streaming Project
« Reply #169 on: January 06, 2007, 04:52:10 PM »
Quote from: "ocala"
Notice the satellite weather feed in the lower left corner of the VP.
Sweet!
I stand corrected. After looking at the web site its some sort of radio. However they did say they have a XM/WX satellite feed somewhere in there.


That thing with the blue screen is the remote head for a dual band 144/440 amateur radio transceiver.

Offline SLOweather

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Re: Weather Underground NWS Streaming Project
« Reply #170 on: January 06, 2007, 04:56:48 PM »
Quote from: "wuhu_software"

If you have a stereo line input, I believe this is possible to do. If I am not mistaken, the user can user their balance control to listen to one station or the other. Maybe it would be easier to use two separate inputs, and two streams, not sure.


I'm doing this with WinAmp, the Shoutcast DSP plugin, and a ShoutCast server. I have 2 scanners streaming in stereo, County fire and USFS on one channel, and City Fire on the other. It works pretty well. I did switch from the MP3 encoder to AAC+ to lower the bit rate.

Offline anchorageweather

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Re: Weather Underground NWS Streaming Project
« Reply #171 on: January 07, 2007, 10:45:35 AM »
What happens if someone wants to add their stream to the WU weather page - but someone else is already servicing that area with their stream?  Will WU add two streams for the same station?
South of the Tracks, Anchorage, KY

Offline wuhu_software

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Re: Weather Underground NWS Streaming Project
« Reply #172 on: January 07, 2007, 10:52:35 AM »
Quote from: "anchorageweather"
What happens if someone wants to add their stream to the WU weather page - but someone else is already servicing that area with their stream?  Will WU add two streams for the same station?


I do not believe this is a problem.

My guess is that the duplicate streams will just appear in the list giving the end user the choice of streams.

Redundancy is what we are hoping for.

Eventually, if there is an automatic alert system in place, it will be able to pull the operational streams from nearby locations.

Offline anchorageweather

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Re: Weather Underground NWS Streaming Project
« Reply #173 on: January 07, 2007, 10:15:24 PM »
Ok, one last question regarding this topic.

When measuring the upload stream to WU, I notice that the stream averages about 15.5kb/sec.  That averages out to about 4.85 GB/month.  Anyone think an ISP would get sideways over this extra usage?
South of the Tracks, Anchorage, KY

Offline W3DRM

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Re: Weather Underground NWS Streaming Project
« Reply #174 on: January 08, 2007, 01:16:29 AM »
Quote from: "anchorageweather"
Ok, one last question regarding this topic.

When measuring the upload stream to WU, I notice that the stream averages about 15.5kb/sec.  That averages out to about 4.85 GB/month.  Anyone think an ISP would get sideways over this extra usage?


That depends on what kind of contract you have with your ISP. Check to see what your limits are. If your under them and the rest of your site access isn't bringing you over the limit then you should be okay. If you are over then they will probably send you a notice and charge you for the overage. My ISP (ICDSOFT) sends me a warning notice long before I go over your limit. Yours may or may not send out that warning notice.

Each ISP is different so it can't be answered with a Yes or No answer.
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