[aprssig] River Gauging APRS setup
Frank or Barbara Rossi
n3flr at bellatlantic.net
Fri Dec 17 19:41:40 CST 2010
We also have those all around Pittsburgh Pa.
Yes a UHF Beam aimed up at aprox 45 degree angle.
Yes it is a satellite . Check this link Click
N3FLR - Frank
On 12/17/2010 8:11 PM, Steve Noskowicz wrote:
> Hey! Wait a minute...! This is *already* done automaticlly and by
> 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>/* wrote:
> 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 difficult!
> 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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