[ARC5] ARC5 Digest, Vol 195, Issue 67

[jbrannig]

Had a friend working as an electronics tech on bombers out of Thailand (late 60's)I remember him saying they had SCR-522's.My bad memory or were they still in use?JimSent from my Galaxy Tab® A
-------- Original message --------From: arc5-request at mailman.qth.net Date: 4/26/20  6:56 PM  (GMT-05:00) To: arc5 at mailman.qth.net Subject: ARC5 Digest, Vol 195, Issue 67 Send ARC5 mailing list submissions to	arc5 at mailman.qth.netTo subscribe or unsubscribe via the World Wide Web, visit	http://mailman.qth.net/mailman/listinfo/arc5or, via email, send a message with subject or body 'help' to	arc5-request at mailman.qth.netYou can reach the person managing the list at	arc5-owner at mailman.qth.netWhen replying, please edit your Subject line so it is more specificthan "Re: Contents of ARC5 digest..."Today's Topics:   1. Re: SCR-522: Rethinking The Old Gal (D C _Mac_ Macdonald)   2. Re: VHF set (Martyn Google)   3. Re: VHF set (Robert Downs)----------------------------------------------------------------------Message: 1Date: Sun, 26 Apr 2020 21:40:21 +0000From: D C _Mac_ Macdonald <k2gkk at hotmail.com>To: Hubert Miller <Kargo_cult at msn.com>, "arc5 at mailman.qth.net"	<arc5 at mailman.qth.net>Subject: Re: [ARC5] SCR-522: Rethinking The Old GalMessage-ID:	<DM5PR1801MB18207E9763B2DECBADDBE0CFF1AE0 at DM5PR1801MB1820.namprd18.prod.outlook.com>	Content-Type: text/plain; charset="iso-8859-1"I never had the 522 receiver, but still have the 522 transmitter I fitted to a 19" rack panel.  I also converted an ARC-1 to VFO but never finished it and it went to landfill after the 3 May 1999 tornado here in OKC.73 de Mac, K2GKK/5Since 30 Nov 1953Oklahoma City, OKUSAF, Retired ('61-'81)FAA, Retired ('94-'10)________________________________From: arc5-bounces at mailman.qth.net <arc5-bounces at mailman.qth.net> on behalf of Hubert Miller <Kargo_cult at msn.com>Sent: Sunday, April 26, 2020 16:34To: arc5 at mailman.qth.net <arc5 at mailman.qth.net>Subject: Re: [ARC5] SCR-522: Rethinking The Old GalIn the memoir "MIG-15 To Freedom", 1996, No Kum-sok says the KW MIG he flew had a HF radio, unlike U.S. fighter aircraft. He clearly thought the NK aircraft communications inferior.There was a later book, 2015, and it's stated to have more information from released intelligence. I have not read the later book.This pilot settled in the U.S., took the name Kenneth Rowe, had a career as engineer in the aviation industry, and is retired in Florida.-HueK7HUE>Some years ago someone was selling the original VHF radio out of a Mig-15 on ebay.  It was recognizably a Soviet version of the SCR-522.  So Korea probably was the first war where both sides were talking on basically the same radio.  Most USAF aircraft in Korea used the ARC-3 but there were still plenty of SCR-522 in use there.The ARC-3 was based on the SCR-522, but had the advantage from the US viewpoint of using what we would later call "Line Replaceable Units" so you could easily yank just the receiver or transmitter and swap it out rather than pulling the whole big box.  And you could distribute the weight around the aircraft more easily.As for a genuine WWII set, while ARC Type 12 are a lot easier to get running, the VHF ARC-5 crystal controlled receiver can just use the set's built in VFO and ignore the crystals.  You don't have rip all the crystal sockets and relays out despite the fact the conversion articles told you to just that - as was done with the example I have.In any case, Dave is to congratulated.  I don't know of anyone ever using the SCR-522 for amateur use "as is."WayneWB5WSV.-------------- next part --------------An HTML attachment was scrubbed...URL: <http://mailman.qth.net/pipermail/arc5/attachments/20200426/37464a44/attachment-0001.html>------------------------------Message: 2Date: Mon, 27 Apr 2020 10:35:32 +1200From: Martyn Google <martyn.seay at gmail.com>To: D C _Mac_ Macdonald <k2gkk at hotmail.com>Cc: "arc5 at mailman.qth.net" <arc5 at mailman.qth.net>Subject: Re: [ARC5] VHF setMessage-ID: <2B6479CA-8058-412E-8B5C-0D9CBC466882 at gmail.com>Content-Type: text/plain; charset=us-asciiThe late Neil ZL1ANM (SK in December, sadly, he was a good friend, got me started on ARC products) had one of these sets unmodified, had got xtals from a UK supplier and was about to go on the local vhf repeater with it. FMing it was easy, the mechanical switching mechanism worked, a marvel of radio engineering we thought! The set has gone to another Ham.73, Martyn ZL3CKSent from my iPhone> On 27/04/2020, at 9:40 AM, D C _Mac_ Macdonald <k2gkk at hotmail.com> wrote:> ------------------------------Message: 3Date: Sun, 26 Apr 2020 17:55:52 -0500From: "Robert Downs" <wa5cab at cs.com>To: "'Martyn Google'" <martyn.seay at gmail.com>,	<arc5 at mailman.qth.net>Subject: Re: [ARC5] VHF setMessage-ID: <002501d61c1d$d68a8580$839f9080$@com>Content-Type: text/plain;	charset="us-ascii"How did the T-90/ARC-5 differ from the T-23 and T-126/ARC-5?Robert Downs-----Original Message-----From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net] OnBehalf Of Martyn GoogleSent: Sunday, April 26, 2020 17:36To: D C _Mac_ MacdonaldCc: arc5 at mailman.qth.netSubject: Re: [ARC5] VHF setThe late Neil ZL1ANM (SK in December, sadly, he was a good friend, got mestarted on ARC products) had one of these sets unmodified, had got xtalsfrom a UK supplier and was about to go on the local vhf repeater with it.FMing it was easy, the mechanical switching mechanism worked, a marvel ofradio engineering we thought! The set has gone to another Ham.73, Martyn ZL3CKSent from my iPhone> On 27/04/2020, at 9:40 AM, D C _Mac_ Macdonald <k2gkk at hotmail.com> wrote:> ______________________________________________________________ARC5 mailing listHome: http://mailman.qth.net/mailman/listinfo/arc5Help: http://mailman.qth.net/mmfaq.htmPost: mailto:ARC5 at mailman.qth.netThis list hosted by: http://www.qsl.netPlease help support this email list: https://www.qsl.net/donate.html------------------------------_______________________________________________ARC5 mailing listARC5 at mailman.qth.nethttp://mailman.qth.net/mailman/listinfo/arc5End of ARC5 Digest, Vol 195, Issue 67*************************************
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