[TMC] TMC list active?

Sun Mar 21 19:09:35 EDT 2021

Brad W1BCC here. 

Someday I’ll have the courage to take a close look at my GPR-90 and maybe toast it on the variac.

—73

> On Mar 21, 2021, at 5:50 PM, tmc-request at mailman.qth.net wrote:
> 
> Send TMC mailing list submissions to
>    tmc at mailman.qth.net
> 
> To subscribe or unsubscribe via the World Wide Web, visit
>    http://mailman.qth.net/mailman/listinfo/tmc
> or, via email, send a message with subject or body 'help' to
>    tmc-request at mailman.qth.net
> 
> You can reach the person managing the list at
>    tmc-owner at mailman.qth.net
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of TMC digest..."
> 
> 
> Today's Topics:
> 
>   1. Re: Is this list still active? (Richard Knoppow)
>   2. Utica NY estate sale - TMC GPR-90 (Nick England)
>   3. GPR-92 (Richard Knoppow)
>   4. Re: GPR-92 (triodes)
>   5. Re: GPR-92 (John Poulton)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Thu, 24 Dec 2020 11:09:13 -0800
> From: Richard Knoppow <1oldlens1 at ix.netcom.com>
> To: tmc at mailman.qth.net
> Subject: Re: [TMC] Is this list still active?
> Message-ID: <98e90d6d-5ffc-303a-dda8-5ad722d67427 at ix.netcom.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> ?? I don't think this list accepts attachments. I don't show any 
> in many months of posts.
> 
>> On 12/24/2020 9:15 AM, Meir Ben-Dror WF2U wrote:
>> Sure, Eugene!
>> 
>> Here it is.
>> 
>> 73, Meir WF2U
>> Landrum, SC
>> 
>> ?Get BlueMail for Android ?
>> 
>>> On Dec 24, 2020, 12:05 PM, at 12:05 PM, W2HX <w2hx at w2hx.com> wrote:
>>> How about some pictures, Meir?!
>>> 73 Eugene W2HX
>>> 
>>> 
>>> -----Original Message-----
>>> From: tmc-bounces at mailman.qth.net <tmc-bounces at mailman.qth.net> On
>>> Behalf Of Meir Ben-Dror WF2U
>>> Sent: Monday, December 14, 2020 7:57 PM
>>> To: Grant Youngman <ghyoungman at gmail.com>
>>> Cc: 'tmc' <tmc at mailman.qth.net>
>>> Subject: Re: [TMC] Is this list still active?
>>> 
>>> It's active from time to time.
>>> 
>>> Last year I put together a clone of a GPT-350 from components I
>>> gathered - PMO, SBE-3 and PAL-350A, and mounted them in a rack cabinet
>>> I had (non-TMC), that incidentally is very similar in color to the TMC
>>> cabinets. It is tall enough that I could mount my GPR-90RXD under the
>>> transmitter component, at normal desk height. For operating table,? I
>>> used a 19" rack size server keyboard sliding shelf under the receiver.
>>> I also put together a dual speaker panel which is mounted under the
>>> sliding "table". I used it periodically for CW, SSB and AM. AM is a
>>> pain in the neck to set with the SBE, I have to use a modulation
>>> monitor scope to set the carrier and the sidebands at the correct
>>> relative levels.
>>> Just recently I found a GPE-1A which is going to be incorporated in the
>>> system for AM/CW operation, so I can leave the SBE-3 set for SSB only.
>>> I also have a GPR-90 in the desktop cabinet, with the matching speaker,
>>> together with the GSB-1. I love TMC gear and one day I hope to find a
>>> PAL-500 or even a PAL-1K.
>>> 
>>> Best 73,
>>> 
>>> Meir WF2U
>>> Landrum, SC
>>> 
>>> 
>>> 
>>> 
>>> ?Get BlueMail for Android ?
>>> 
>>> On Dec 14, 2020, 5:16 PM, at 5:16 PM, Grant Youngman
>>> <ghyoungman at gmail.com> wrote:
>>>> Just checking.  Rejoined after quite a long time away.  But I don?t
>>> see
>>>> anything new in the archive since last October.
>>>> 
>>>> One of my favorite radios is the GPR-90.
>>>> 
>>>> Grant NQ5T
>>>> GPR-90/GSB-1/GSP-1
>>>> ______________________________________________________________
>>>> TMC mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/tmc
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:TMC at mailman.qth.net
>>>> 
>>>> This list hosted by: http://www.qsl.net Please help support this email
>>>> list: http://www.qsl.net/donate.html
>>> ______________________________________________________________
>>> TMC mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/tmc
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:TMC at mailman.qth.net
>>> 
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> 
>>> ______________________________________________________________
>>> TMC mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/tmc
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:TMC at mailman.qth.net
>>> 
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
> 
> -- 
> Richard Knoppow
> 1oldlens1 at ix.netcom.com
> WB6KBL
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Mon, 11 Jan 2021 15:18:12 -0500
> From: Nick England <navy.radio at gmail.com>
> To: tmc <TMC at mailman.qth.net>
> Subject: [TMC] Utica NY estate sale - TMC GPR-90
> Message-ID:
>    <CAB55hNc=WBt02gwKgV+QnFnbZCXPbeS+SniGJ-_D1sKGvuuj1w at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
> 
> I know nothing more than that there is a lot of cool stuff .
> https://syracuse.craigslist.org/gms/d/marcy-collectors-dream-sale/7259858836.html
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Sun, 21 Mar 2021 13:35:42 -0700
> From: Richard Knoppow <1oldlens1 at ix.netcom.com>
> To: tmc <TMC at mailman.qth.net>
> Subject: [TMC] GPR-92
> Message-ID: <e8b8efc4-f2be-2244-d0b7-6e808668bf86 at ix.netcom.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> ?? Not any traffic here lately so I will drop a rock into the pool.
> ?? I am curious about the GPR-92. Does anyone actually have one? 
>> From what I've read not many were built. Evidently they were 
> difficult to make and performance may have been partly wishful 
> thinking. They are so sexy looking one wants them to be extra 
> good but I think it was a miss rather than a hit. There is 
> probably stuff in the list archive but I have not looked.
> 
> -- 
> Richard Knoppow
> 1oldlens1 at ix.netcom.com
> WB6KBL
> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Sun, 21 Mar 2021 16:56:46 -0400
> From: triodes <triodes at optonline.net>
> To: Richard Knoppow <1oldlens1 at ix.netcom.com>, tmc
>    <TMC at mailman.qth.net>
> Subject: Re: [TMC] GPR-92
> Message-ID: <14.88.27772.113B7506 at mta4.srv.hcvlny.cv.net>
> Content-Type: text/plain; charset="utf-8"
> 
> Hi Richard,?Yes, they do exist,? and I am fortunate to own one.Here are some photos of it.?73,Bruce, W2XR?Sent from my Verizon, Samsung Galaxy smartphone
> -------- Original message --------From: Richard Knoppow <1oldlens1 at ix.netcom.com> Date: 3/21/21  4:35 PM  (GMT-05:00) To: tmc <TMC at mailman.qth.net> Subject: [TMC] GPR-92  ?? Not any traffic here lately so I will drop a rock into the pool. ?? I am curious about the GPR-92. Does anyone actually have one? From what I've read not many were built. Evidently they were difficult to make and performance may have been partly wishful thinking. They are so sexy looking one wants them to be extra good but I think it was a miss rather than a hit. There is probably stuff in the list archive but I have not looked.-- Richard Knoppow1oldlens1 at ix.netcom.comWB6KBL______________________________________________________________TMC mailing listHome: http://mailman.qth.net/mailman/listinfo/tmcHelp: http://mailman.qth.net/mmfaq.htmPost: mailto:TMC at mailman.qth.netThis list hosted by: http://www.qsl.netPlease help support this email list: http://www.qsl.net/donate.html
> 
> ------------------------------
> 
> Message: 5
> Date: Sun, 21 Mar 2021 17:49:06 -0400
> From: John Poulton <jp at cs.unc.edu>
> To: "tmc collector's group" <TMC at mailman.qth.net>
> Subject: Re: [TMC] GPR-92
> Message-ID:
>    <CAKtz7feihprktFsrxCQOyjVuSQ1vjhSV43ynVyX4tcUS0Kjetg at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
> 
> I've had a couple of the GPR-92 radios over the years, all at new homes by
> now.  My 'keeper', however, is a GPR-92A that was supplied to the state of
> NY for their State Emergency Management Stations.  I have the complete
> station, actually, rescued from its flooding bunker near Batavia NY..  See
> 
> http://tmchistory.org/tmc_history/photos/ny_semo/index.htm
> 
> for a rundown on this chain of stations, put in place in the late 60's in
> case of the 'bad thing' happening.  I say "complete station".. almost.  Our
> friends at the AWA museum actually ended up with "my" 28KSR.. :). They also
> have a complete station, from the Newark site; you can take a virtual tour
> of that site as it is now in the photo gallery at the URL above.
> 
> The GPR-92 is indeed a handsome radio.  It had a somewhat iffy reputation
> amongst TMC old-timers, who preferred the GPR-90 variants, though I'm not
> entirely sure why.  It was designed by Murray Gellman (not to be confused
> with the Physics Nobel laureate), and employed the then-trendy
> tubes-on-PC-boards construction technique, which sometimes went badly
> wrong, particularly with the phenolic boards that were common in the 60's.
> It has a built-in product detector, of course, which had become a necessity
> by the time the receiver was introduced.  The '92 is a fairly decent
> performer, at least as far as I was able to determine operating mine a bit,
> and it's very, very well built!
> 
> 73, John K4OZY
> 
> On Sun, Mar 21, 2021 at 4:35 PM Richard Knoppow <1oldlens1 at ix.netcom.com>
> wrote:
> 
>>    Not any traffic here lately so I will drop a rock into the pool.
>>    I am curious about the GPR-92. Does anyone actually have one?
>> ...
>> 
>> 
> 
> 
> ------------------------------
> 
> ______________________________________________________________
> TMC mailing list
> Home: http://mailman.qth.net/mailman/listinfo/tmc
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:TMC at mailman.qth.net
> 
> 
> End of TMC Digest, Vol 135, Issue 1
> ***********************************
> 