As best I recall, the 515 came along in mid-80's, well after most of the
demand for the Argonaut was gone. By this time, the Argosy had already come
out and it was a smaller box, plus it offered a 50-watt option and the
30-meter band.
The biggest advance that the 515 made, in my opinion, was to use the
heterodyne type vfo so that the 10-meter band was spread out in four equal
segments, just like the Triton IV.
I have a 515 that I recently had up for sale, but I've decided to hold onto
it. It's number 170.
73, Winston K4CWQ
----- Original Message -----
From: "Clark Savage Turner" <csturner@kcbx.net>
To: <tentec@contesting.com>
Sent: Saturday, May 22, 2004 13:55 PM
Subject: Re: [TenTec] Info on the Argonaut 515?
> As I recall, Tim, the 515 was not cheap (compared to other rigs people
> wanted at that time). The 515 has a solid receiver, same basic design
> as the Triton IV, probably some improvement over the 509 (though I used
> both and enjoyed them equally). I believe demand was not there for the
> 515.
>
> The only thing I always do to a 515 that comes across my bench is to put
> a second 4 pole filter in line for the receiver (giving a total of 8
> poles filtering). This allows the nice transmit audio to continue, and
> I find that it vastly reduces the blowby I usually experience with
> nearby strong signals. I always suspected this to be a physical
> coupling problem, because when I stick in the 4 pole filter at a
> slightly different spot in the IF chain (down towards the RX), it
> completely disappears.
>
> All in all, the 515 is a very fine radio. Anyone have a spare for sale,
> now I want mine back.
>
> Clark
> WA3JPG
>
>
> On Saturday, May 22, 2004, at 07:52 AM, <nz7c@cox.net> wrote:
>
> > I would very much like to hear anyone's experience with the Argonaut
> > 515 and any produced for it. I understand that only about 800 were
> > made. Does anyone know why the run was only 800 and how the rig was
> > received by the ham community when it was introduced? Thank you in
> > advance.
> > Tim/NZ7C
> >
> > _______________________________________________
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> > TenTec@contesting.com
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> >
>
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