[aprssig] River Gauging APRS setup
Frank or Barbara Rossi
n3flr at bellatlantic.net
Fri Dec 17 21:34:50 CST 2010
Here is the river gauge closest to Downtown Pittsburgh PA.
Check out the Drainage area into the Ohio River !
Latitude 40°26'22", Longitude 80°00'39" NAD83
Allegheny County, Pennsylvania, Hydrologic Unit 05030101
*Drainage area: 7,400 square miles*
Datum of gage: 694.23 feet above sea level NGVD29.
On 12/17/2010 9:53 PM, Frank or Barbara Rossi wrote:
> It is a great Web Interface.
> Here is Pa. Click <http://waterwatch.usgs.gov/?m=real&w=gmap®ions=pa>
> Already well covered by the USGS.
> It may be more a matter of the USGS not talking to the NWS if there
> not getting enough data from this interface.
> In Pittsburgh the Hydrologist at the Pittsburgh NWS do a pretty good
> job estimating when there will be any flooding.
> His tools are the automated river gauges, and rain gauges reports from
> Skywarn Hams .
> I think around Pittsburgh Pa area, APRS Weather Stations with rain
> gauges would be more useful.
> Hams are not always available to give rain gauge reports, APRS Weather
> station would be 24/7.
> In the summer, hit and miss Thunderstorms can dump 2 inches of rain in
> one area, with other areas with no rain.
> In Western Pa, ALL rain runoff ends up in the Ohio River, downtown
> Major river flooding usually happens the day after the rain comes.
> Small creeks and streams are the ones that will flood first, day of
> the rain.
> Lots of hills around Pittsburgh. From 3,200 Ft Mt Davis to 680 ft in
> altitude Pittsburgh in less than 50 miles.
> Water goes down hill.
> N3FLR - Frank
> On 12/17/2010 9:10 PM, Steve Noskowicz wrote:
>> Thanks Frank,
>> That's him! Boy, they sure have a nice Web interface.
>> And the Thompson road bridge unit is still reporting, so it is
>> still there...somewhere.
>> ... Check this link Click <http://waterdata.usgs.gov/nwis/rt>
>> N3FLR - Frank
>> On 12/17/2010 8:11 PM, Steve Noskowicz wrote:
>>> Hey! Wait a minute...! This is *already* done automaticlly
>>> and by radio.
>>> Cycling last spring on the bicycle path from Cristal Lake, IL
>>> to south of Algonquin, IL the path crosses the Fox River. What
>>> easily caught my eye was the UHF beam, only feet from the path,
>>> pointing toward Pluto. There was a pretty big outdoor box,
>>> though I couldn't see the water sensor. I don't recall the
>>> detail, but it had a sign and was a water montoring setup
>>> beaming obviously to a satellite. The sign had specifics and it
>>> may have been USGS, I just don't remember. I had no pencil or
>>> I'd have Googled it back home. Shoulda' used the cell to leave
>>> a memo @ home.
>>> The McHenry County Conservation District also recently drilled
>>> a well on one vacant space near here and now there is a solar
>>> panel, a box and another beam pointing at Pluto. The sign there
>>> even has the satellite name - Geos - something or other and the
>>> beam still has the frequency label.
>>> They're just rebuilding our Thompson road bridge, but until
>>> recently it had a box and what looked like something that could
>>> be dropped/cranked down to the water, and I think had a USGS
>>> label. Without any visible sub-space radio, I often wondered
>>> how they actuated it from Pluto.. (;-). Now I know.
>>> 73, Steve,
>>> --- On *Fri, 12/17/10, Lee Mushel /<herbert3 at centurytel.net>
>>> I find this to be a very interesting topic. You see, next
>>> spring I might get a phone call from the National Weather
>>> Service and then I take the key and drive to the river
>>> gauge, open the padlock, lower the "sensor" and read the
>>> value, then restore everything and drive to the next gauge
>>> and then the next. This may take 45 minutes. Then I
>>> email NWS my report---or I could radio it to them but the
>>> email is preferred because it provides a record that is
>>> easily handled. Now, since there is that padlock to be
>>> considered I hope that any plans would include provisions
>>> for security---especially if I am paying for this!
>>> But I must warn you that a suggestion by me that realtime
>>> water/flood photos be "radioed" by ham radio to the
>>> hydrologist was met with absolutely no enthusiasm.
>>> Acceptance of new ideas, even though they have merit, can be
>>> Lee K9WRU
>>> ----- Original Message -----
>>> *From:* Jim Tolbert
>>> *To:* TAPR APRS Mailing List
>>> *Sent:* Friday, December 17, 2010 6:29 AM
>>> *Subject:* Re: [aprssig] River Gauging APRS setup
>>> On 12/17/2010 5:30 AM, Wes Johnston, AI4PX wrote:
>>>> I just searched my email archives and this is what I
>>>> found. Link doesn't work. I do remember this thing
>>>> though, it was in a PVC pipe and shot an ultrasonic
>>>> transducer down the pipe to measure the distance to the
>>>> water surface. I think the guy that made it was in
>>>> Florida.... but not sure.
>>>> God help those who do not help themselves.
>>>> On Thu, Dec 16, 2010 at 23:54, Daron Wilson
>>>> <daron at wilson.org
>>>> Somewhere I've seen plans for a simple river gauge
>>>> setup with APRS, seems to
>>>> me it was a micro power transmitter, the thing ran
>>>> on several 6v lantern
>>>> batteries, PVC conduit into the river for the
>>>> sensing portion and an antenna
>>>> on top of the PVC. I can't find it, does anyone
>>>> remember this and have the
>>>> link or info on this?
>>>> Daron N7HQR
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