Al,
Very nice description of the radio and it's usage. Thank you very much for
taking the time to explain it. It sheds a whole new light on my decision on
which receiver I wll end up with.

What I'll be using the radio for is digging out the really weak signals,
whether it be voice or data mode. Extened hours of listening at times as
well. I only wish I could try before I buy, it would make it easier
deciding.

Again thanks for taking the time.
It's so nice to read informaton from individuals so dedicated to the hobby.

73's
Rick


----- Original Message -----
From: "Albert P. Belle Isle"
Newsgroups: rec.radio.shortwave
Sent: Friday, November 07, 2003 9:42 PM
Subject: Cubic R-3030A


On Thu, 06 Nov 2003 15:16:09 GMT, "Rick" wrote:

I have a chacne to purchase one of these receivers and was wondering if
anyone here know anyting about them.
Anyone ever use one?
I did a search on he internet, but haven't found much info.

Thanks

Rick,

I have an R-3030A (among other receivers) and it's extremely good at
what it was designed for - which is NOT broadcast listening.

It was designed to be computer-controlled for surveillance
applications involving banks of them in racks.

The "A" suffix denotes what's often called "the CIA model."

The filter options are - for my uses - better than either those of the
3030 or the R2411 version. You can use 0.5, 1.0, 3.2 or 6.0kHz BW on
any mode - CW, USB, LSB, FM or AM. The control interface in the A's is
dual, independent RS-422s which is readily applicable to PC-control -
unlike the other options in the 3030 family. Simple AC power connector
- no Mil-Std barrel connector like the R2411.

I leave it parked on channels that only occasionally produce
interesting stuff in digital modes. Each receiver feeds one of the
stereo channels in a PC soundcard, and I have Hoka's Code300-32 open
decoder windows on each.

French military circuits using 400Hz-shift ARQ-E3 mode are one
application at which it excels with its 500Hz crystal filters - much
better than having to open up to the 1000Hz filter that's the only
alternative to a too-narrow 300Hz filter on other receivers.

SNIP