[Premium-Rx] Hagenuk RX1001

[John Perlick]

Sounds a wee bit like the OTH radars that I was working on at
Raytheon...fortunately the project got killed!  Someone still made OTH
radars, but we don't hear them on as much anymore
----- Original Message -----
From: "Barry Hauser" <barry at hausernet.com>
To: "Richard M. MC Clung" <sgm460122 at yahoo.com>; "Premium-RX LIST"
<premium-rx at ml.skirrow.org>
Sent: Friday, July 04, 2003 7:51 AM
Subject: Re: [Premium-Rx] Hagenuk RX1001


> Hi Rich & List:
>
> All sounds highly premium to me, Hagenuks and Harris's included. ;-)
>
> Not sure whether most of the list members know what a chirpsounder system
> is, although most have probably heard them while listening to HF.  Here's
an
> attempt at a basic description -- Rich can correct me where I may have
gone
> off-base.
>
> The system is manufactured by Barry Research (BR Communications, now part
of
> TCI) -- not sure if there are others, however the term "chirpsounder" is
> copyrighted.
>
> The system often consists of two transmitters (such as TCS-5) and one
> receiver (e.g. RCS-5).  There have been a number of generations -- they
may
> be up to -7 or higher (Rich?).
>
> The transmitters and receivers are situated great distance apart and are
> precisely synchronized to sweep from (typically) 2 to 30 MHz over 4
minutes.
> Other ranges might be 2-16 or 2-45.  The receiver plots the carrier
strength
> across the range.  They generate a graphic display and have other
> capabilities for recording results.  The purpose is nominally to check on
> propagation across the HF range over the geography defined by the
> receiver/transmitter locations.
>
> The US mil designation is TRQ-35, which has been fairly constent over the
> evolution  of this stuff and embraces additional equipment, such as the
> RSS-4x or higher, which is a spectrum monitor which sweeps the same
> frequency ranges for all signal activity.  Essentially, the chirpsounder
> system evaluates propagation while the spectrum monitor indicates existing
> activity and crowding.  Apparently all this is sold for commercial as well
> as military use.
>
> When you are listening to a particular signal in the range, you'll
sometimes
> hear a single "bird sound" repeated a few times at 5-minute intervals.
The
> sweep rate is 50 kHz when covering 2-16 mHz, 100 kHz when doing 2-30.
> Sounds like a "chirp".
>
> If you are interested, just search the web on "chirpsounder".  There is
> quite a bit of info out there on it.
>
> Maybe it should be added to the list of Premium Rx's?
>
> Barry
>
>
>
>
> ----- Original Message -----
> From: "Richard M. MC Clung" <sgm460122 at yahoo.com>
> To: "Premium-RX LIST" <premium-rx at ml.skirrow.org>
> Sent: Friday, July 04, 2003 3:38 AM
> Subject: [Premium-Rx] Hagenuk RX1001
>
>
> > I just returned from a trip overseas where I installed and trained
> > allied naval personnel in the used and operation of chirp-sounder
> > receivers and transmitters to support a nation wide real-time HF
> > Frequency Management System.
> >
> > While there I was exposed to their communications facilities and the
> > equipment they used. I saw rows and rows of rack mounted Harris RF-550
> > receivers and Hagenuk RX1001L receivers. The Hagenuk receivers looked
> > similar to the picture of the one in the manual posted to the web-page.
> >  These receivers though, had an LCD display with a purplish glow. They
> > were being used specifically for HF Link 11 TADIL circuits.
> >
> > RICH  WA6KNW
> >
> > _______________________________________________
> >
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> >
>
>
>
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