That may be Carl, but when Jack had my 515 worked over for me at the
factory, we corresponded a bit and he specifically told me it was the Triton
IV RX. This was about 10 years ago or so.
That begs the next question, what was the difference between the Triton IV
and the Omni A?
I had the Omni A in 1979 and took it with me on my second DX-pedition to
Andorra.
It was light-years better than the old Swan SS100 I had on the first trip 4
years earlier!
73,
Rick, DJ0IP
-----Original Message-----
From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
On Behalf Of Carl Moreschi
Sent: Saturday, July 07, 2012 6:25 PM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Ten-Tec firsts???
I believe the Argo 515 actually had the Omni A receiver in it and came out
after the Omni A.
Carl Moreschi N4PY
121 Little Bell Dr.
Hays, NC 28635
www.n4py.com
On 7/7/2012 11:10 AM, Rick - DJ0IP / NJ0IP wrote:
> ABSOLUTELY NOT!
>
> The receivers in the 505 and 509 were basically identical and very
> similar to the Triton, but the Triton had switchable crystals for the
> 10m band, giving coverage in separate 500 Hz segments. It also had an
> 8-Pole crystal lattice filter, whereas the two Argonauts had only
> 4-pole filters. The two first Argonauts changed the rate of tune for
> the VFO on 10m, so each mark on the dial represented 4 kHz instead of 1
kHz. They were not great 10m rigs.
> I found them a bit difficult to tune on 10m.
>
> When the Triton IV came out, it had a hotter receiver than the
> original Triton. At least that is what I was told by the engineer that
designed it.
> It also had an 8-pole xtal lattice filter. I don't remember what they
> changed but it was supposed to be better than the original Triton.
> When the Argonaut 515 came out, it got the Triton IV receiver, except
> it also had only a 4-pole xtal filter in it. At least it had the
> switchable 10m band segments.
>
> The biggest difference between the Argonauts were, the 509 had a
> broadband TX driver, whereas the 505 had a tunable driver. The tune
> was controlled by the little elevator that went up and down to tune
> the RX stages. The SSB generator board was updated on the 509 but I
> can't recall what the changes were.
> The 515 got the Triton IV RX and the 4 switchable band segments on
> 10m. It also got slightly larger knobs for most controls. Finally,
> it got a new paint job, making it look more like a real radio than a
> plastic toy! ;=)
>
> 73
> Rick, DJ0IP
>
>
> -----Original Message-----
> From: tentec-bounces@contesting.com
> [mailto:tentec-bounces@contesting.com]
> On Behalf Of Curt
> Sent: Saturday, July 07, 2012 4:39 PM
> To: Discussion of Ten-Tec Equipment
> Subject: Re: [TenTec] Ten-Tec firsts???
>
> Owning a Triton IV, wasn't the receiver essentially same from Argonaut
> 509 through all the Tritons?
>
> Curt KB5JO
>
>> That was the Triton I. The Triton IV came out in 1976.
>
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