[Scan-DC] Federal Interagency Hydrologic Radio Frequencies logged

[Frank Carson]

I googled IFLOWS and got this website address:

http://www.afws.net/

It's kinda neat and you can select data from several states and counties in
both Virginia and Maryland and look at data.

Frank Carson

----- Original Message ----- 
From: "John Wilson" <w4uvv at adelphia.net>
To: "jay dehm" <dehmmy.qth at gmail.com>
Cc: "Scan-DC" <scan-dc at mailman.qth.net>
Sent: Friday, July 14, 2006 12:02 PM
Subject: Re: [Scan-DC] Federal Interagency Hydrologic Radio Frequencies
logged


> They are part of the IFLOWS system.  They are rain gauge and water depth
> packet transmitters typically located on mountaintops or near streams or
> in other flood prone locations.   In Virginia IFLOWS is mostly in the
> western part of the state.  The packet transmitter signals are destined
> for an IFLOWS reception site that typically is a city PD, county sheriff
> or EOC.  If the signals cannot be received via line of sight they are
> microwaved via the Va. State Police transmitter sites or cross frequency
> relayed on VHF using line of site mountaintop repeaters.  Eventually all
> of the IFLOWS information terminates at the NWS in Washington, DC.
>
>  The IFLOWS website has the current frequencies and locations.  The
> IFLOWS technicians also use the backbone vhf radio net NBFM.  I've heard
> them on several 171 mhz. frequencies.  The best signal for me is from
> Bear Den Mtn. near Charlottesville, Va.   In Va. the IFLOWS headquarters
> is at the Tri City Airport, Blountville, TN.   A FCC license to a city
> or county in the 169, 170 or 171 mhz. range with few exceptions will be
> IFLOWS frequencies.  Transmitter power typically is 6-8 watts.
>
>  No, IFLOWS uses proprietary software and you cannot decode it but you
> can see almost real time readings for various IFLOWS locations at the
> website.
>
> jay dehm wrote:
>
> > -- All frequencies FM --
> >
> > Federal Interagency Hydrologic Radio Frequencies logged from my QTH
> > within the last 30min
> >
> > 171.025
> > 171.125
> > 171.825
> > 171.850  ** The rest of the freqs were faint and seemed to poll every
> > 3-5 sec. This frequency I received loud and clear and was busy
> > non-stop **
> >
> > Jay
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