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Re: [TenTec] Ten-Tec firsts???

To: wa3fiy@radioadv.com, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Ten-Tec firsts???
From: k3miy@csonline.net
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 7 Jul 2012 11:09:03 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>

That was the Triton I. The Triton IV came out in 1976.

Ron\
K3MIY

Quoting Lee  WA3FIY <wa3fiy@radioadv.com>:

> The Ten-Tec Triton was being marketed in late 1973.
> 
> The Argonaut 505 and 405 100 watt (input) linear were being marketed in early
> 1973.
> 
> 73,
> 
> -Lee-
> 
> WA3FIY
> 
> On 7 Jul 2012 at 12:48, Rick - DJ0IP / NJ0IP wrote:
> 
> > Let's take these one at a time, Doug:
> > 
> > *** FIRST 100W TRANSCEIVER:  
> > You are confusing the launch date of the Atlas 180 with the 210/215. 
> > The 180 may have preceded the Triton by a few months, but it only
> > covered 160, 80, 40, and 20m.  The 210 covered 80, 40, 20, 15, and
> > 10m, and the 215 covered 16, 80, 40, 20 and 15m, but they came after
> > the Triton.
> > 
> > Similar with the SWAN SS100 (which I used on my DX-pedition to Andorra
> > in 1975).  Like the Triton, it was rated 100w input.  The SS200 came
> > out a bit later.  Actually the 100 may have been earlier because Herb
> > left Swan in 1973, but then again he only worked on the design...
> > 
> > The key factor here is Herb Johnson, W6QKI, who founded both Swan and
> > Atlas. He ran Swan until 1973 and founded Atlas in 1974; I remember
> > all of that, and I know he designed the SS100 and 200, but my grey
> > cells remember the transceivers actually launching after he had left
> > Swan, which resulted in a discussion about whether or not it would be
> > risky to buy them.  This puts the SS100 at about the same launch date
> > as the Triton.
> > 
> > PERHAPS SOMEONE HAS A BETTERY MEMORY OR SOME EXACT LAUNCH DATE DATA. 
> > IN ANY CASE IT WAS VERY CLOSE! MAYBE I GOT THIS ONE WRONG...MAYBE
> > NOT... BUT NOT THE REST!
> > 
> > 
> > *** FIRST LEGAL LIMIT AMPLIFIER:
> > In 1980 the legal limit was 1000w INPUT power.
> > The rules changed in 1983, allowing 1500 PEP output power, with a
> > Grandfather clause extending the 1000w INPUT power limit for AM, that
> > lasted until 1990,. I don't know what happened after that. INDEED THIS
> > ONE COUNTS AS A FIRST
> > 
> > 
> > *** PIONEERED TUNABLE CRYSTAL FILTER:
> > My Bad!   (but just bad wording on my part, still a FIRST).
> > 
> > I should have said "Pioneered First Tunable MULTI-POLE Crystal Filter"
> > (Jones Filter). This filter was invented by Lee Jones, and the patent
> > was issued to Ten-Tec. Lee was an ex-Collins engineer. The original
> > Collins circuit used only one single crystal so it didn't have very
> > steep skirts. The phasing [variable capacitor] which provided the
> > variable bandwidth, worked on this single crystal. Lee's filter worked
> > on a different principal, and was considerably better, originally
> > using 4 crystals. He used varicap diodes to tune all crystals
> > simultaneously. I guess you could use as many crystals as you want,
> > but I know my Scout had 4. This was significantly superior to the
> > Collins design. INDEED THIS ONE COUNTS AS A FIRST!  (I just named it
> > wrong.)
> > 
> > BTW, guess which other US manufacturer "borrowed" this filter design
> > in their early transceiver kits!
> > 
> > 73
> > Rick
> > 
> > -----Original Message-----
> > From: tentec-bounces@contesting.com
> > [mailto:tentec-bounces@contesting.com] On Behalf Of Douglas Sent:
> > Saturday, July 07, 2012 11:22 AM To: tentec@contesting.com Subject:
> > [TenTec] Ten-Tec firsts???
> > 
> > I'm a supporter of Ten-Tec but am not sure of all of those claimed
> > "firsts".
> > 
> > First 100 watt HF Solid state transceiver? I  don't think so. For
> > example the Atlas 100 watt 180 and the 210 transceivers preceded the
> > Triton by at least a year (1974). 
> > 
> > Also the Swan SS-100 and SS-200 series were introduced in late 1974.
> > 
> > Also the 1980 Hercules (444) was not a legal limit amp. Unless you are
> > claiming the earlier 1KW input legal limit definition? It was rated at
> > 1200 watts INPUT on SSB and 1000 watts input on SW. I've got one that
> > is still fully operational. It uses two 600 watt input modules each
> > containing a pair of transisters in push-pull running at 45 volts Vcc.
> > Output is typically (CW keydown) about 500 to 600 watts.
> > 
> > Pioneered tunable crystal filters? I don't think so. The Collins 75A1
> > had them in 1949, the slightly more refined Collins 75A2 had them in
> > 1952, etc..
> > 
> > See: 
> > http://www.wa3key.com/75a1.html
> > 
> > 73,
> > Doug/WA1TUT
> > 
> > 
> > 
> > > 
> > > On 5 Jul 2012 at 8:39, Rick - DJ0IP / NJ0IP wrote:
> > > 
> > > > Jim, this is a reply to your post but I changed the
> > > subject, so that
> > > > we can keep the "first ten-tec" thread homogeneous.
> > > > 
> > > > I helped launch Ten-Tec here in Germany in 2004.
> > > > Scott came over and gave a presentation in
> > > Friedrichshafen.
> > > > In that process, I did some research and put together a
> > > list of
> > > > Ten-Tec's "Firsts":
> > > > 
> > > >   . First all solid state 5-band SSB/CW
> > > transceiver (Argonaut, 1971)
> > > > 
> > > >   . First 100 watt solid state HF
> > > transceiver (Triton, 1975)
> > > > 
> > > >   . First legal limit solid state HF amp
> > > (Hercules, 1980)
> > > > 
> > > >   . Pioneered tunable crystal filters
> > > (Delta II, 1990)
> > > > 
> > > >   . First HF transceiver with built-in
> > > DSP (Omni-VI 1992)
> > > > 
> > > >   . First software defined HF receiver
> > > (RX-320, 1998)
> > > > 
> > > >   . First Flash-ROM upgradeable HF
> > > transceiver (Pegasus 1999)
> > > > 
> > > >   . First selectable I-F roofing filter
> > > transceiver (Orion 2003) 
> > > > 
> > > > 
> > > > SO WITH ALLTHOSE FIRSTS, it's even more astonishing
> > > that TEN-TEC never
> > > > had more success than they had.
> > > >
> > > 
> > > 
> > > ------------------------------
> > > > 73
> > > > Rick, DJ0IP
> > > >
> > > 
> > 
> > > 
> > _______________________________________________
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> > TenTec@contesting.com
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> > 
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> > 
> 
> 
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> 




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