[TenTec] Classic TenTec QSK, etc.

Rick at dj0ip.de Rick at dj0ip.de
Mon Jan 13 01:33:19 EST 2020


I can define better:    CW QSK    Nothing beats the older Ten-Tecs.

Newer radios have outstanding digital features, but they also introduce DSP latency, and depending on the ability of the software programmer, there can be a lot of latency in the software.  This is counter-productive for high speed QSK.  Older technology wins, hands down!

As always, the real test of any feature, taken out of context and many try to do here, is whether the radio that loses the feature test, still works good enough for 98% of the time.   For instance, if I have a radio with 100 dB (close-in) DR3, and another with 105 DB, I may never even experience a situation where the "better" radio can hear a signal better than the other.

As Rob Sherwood clearly points out in every presentation he makes: 
when choosing a radio, we have to take ALL features into consideration, not just one feature taken out of context.  
AND, Rob also says that the single most important feature that a radio must have is:  "you" have to enjoy using it.
This of course is highly subjective, thus different users will have different favorites.

"Best"?   There ain't no such animal!

Rick, DJ0IP
(Nr. Frankfurt, Germany)
May the Sunspots be with us!

-----Original Message-----
From: TenTec <tentec-bounces+rick=dj0ip.de at contesting.com> On Behalf Of Bob McGraw K4TAX
Sent: 13 January 2020 04:05
To: Discussion of Ten-Tec Equipment <tentec at contesting.com>
Cc: Bwana Bob <wb2vuf at verizon.net>; Don Rasmussen <wb8yqj at yahoo.com>
Subject: Re: [TenTec] Classic TenTec QSK, etc.

Define “better”?   Which one is the quietest?  Which one has the better strong signal handling ability.  Which one has a 100% transmit duty cycle? 

There are lots of “better” factors. 

Bob, K4TAX

Sent from my iPhone

> On Jan 12, 2020, at 8:56 PM, Bwana Bob via TenTec <tentec at contesting.com> wrote:
> Wait a minute...
> The Corsair receives better than a IC-7300?  My Corsair is a "keeper",  but why would I want a 7300, even to replace my Paragon.  Maybe a  7300 is better than a Paragon.  Even so, I would expect a "modern"  radio to perform better than a vintage one.
> 73,
> Bob WB2VUF
>> On 1/11/2020 12:35 AM, Don Rasmussen via TenTec wrote:
>> I don't think you want to compare RGO to IC7300 or IC705, if you do then just buy one of those. They are greatly more feature rich for the dollar. But, if you already have one of those - I have IC7300, maybe an RGO can find a place in the shack. Steve N4LQ did a video comparing CW with IC7300 and Corsair II. Corsair II won very big, IMO even when noise reduction was turned on for the Icom. But, this specific comparison is for the sound from the speaker, not frequency stability, memories, or modes! Corsair wins on quiet rx. I find that IC7300 is vastly closer to Corsair when I turn the AGC off. I would like to hear how RGO compares to Corsair and IC7300 on CW as Steve set things up - with equal speakers. My guess is RGO will have notably quiet audio from the samples I've heard. That could make it a nice niche machine. I posted about this because it seems like the project is moving ahead, as compared to others - like the Palstar transceiver project that faded before launch.
>> de Wb8yqj Don
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