[R-390] Re: R-390 Digest, Vol 51, Issue 10

[Rick Davis]

Well, you have to understand Charlie folks. This is the same gentleman who 
advertised a Collins 312B3 "round" speaker on Epay which I won. Shipped to 
me was a "winged" model serial number #25. Now thats' as far away from a 
round emblem manufacturing date I could imagine. I didn't complain. As luck 
would have it, I have  51S1 ser #43. I figured these were produced in the 
1st week of production for each. I do however refrain from buying any 
further items from him. "Caveat Emptor"Rick K8PJQ CCA 11437
----- Original Message ----- 
From: <r-390-request at mailman.qth.net>
To: <r-390 at mailman.qth.net>
Sent: Wednesday, July 16, 2008 04:08: VIRUS ALERT!
Subject: R-390 Digest, Vol 51, Issue 10


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> Today's Topics:
>
>   1. Re: 390A PTO rebuilds (Roy Morgan)
>   2. R390A Trade (Perry Sandeen)
>   3. PIN Diode question resolved(?) (Perry Sandeen)
>   4. Re: Parts needed (Perry Sandeen)
>   5. RE: Re: Parts needed (Tracy Fort)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 15 Jul 2008 05:32:32 -0400
> From: Roy Morgan <k1lky at earthlink.net>
> Subject: Re: [R-390] 390A PTO rebuilds
> To: jay golden <jgolden577 at rochester.rr.com>
> Cc: r-390 at mailman.qth.net
> Message-ID: <CCFD40AA-D0C5-4196-B46C-9FF23518EE01 at earthlink.net>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
>
> On Jul 12, 2008, at 11:03 AM, jay golden wrote:
>
>> Who rebuilds R390A PTOs?
>
> Howard Mills rebuilds 75A-4 PTO's and similar. He may also do the
> R-390A PTO's.
>
> (I may eentually, but I have to move and get set up first.)
>
> Roy
>
> Roy Morgan
> k1lky at earthlink.net
> Lovettsville, VA 20180
>
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 15 Jul 2008 21:41:36 -0700 (PDT)
> From: Perry Sandeen <sandeenpa at yahoo.com>
> Subject: [R-390] R390A Trade
> To: r-390 at mailman.qth.net
> Message-ID: <751844.62762.qm at web54409.mail.yahoo.com>
> Content-Type: text/plain; charset=utf-8
>
> GM List,
>
> I want to trade a Collins R390A for a HP 5370B and a HP, Lucent, or 
> Motorola GPS disciplined Xtal oscillator with power supply ( all working).
>
> R390A details:  Order number 8719-P-55 S/N 2591.  It is a single fuse unit 
> W/26Z5 rectifiers, very clean and un-modified chassis as far as I can 
> tell.  It has IREC tube shields or equivalent on all tubes.  The previous 
> owner installed a 3 wire power plug neatly.  The panel is silk screened. 
> Itâ?Ts conditions is fair with some of the lettering rubbed off. It has 
> the original meters.  I have not powered it up as I havenâ?Tt had time to 
> check if the infamous mechanical filter cap has been changed.  The person 
> who I bought it from said that it was in â?oworking conditionâ? for 
> whatever thatâ?Ts worth.  The MHz and tuning knobs turn freely.
>
> Please contact me off line if interested.
>
> Regards,
>
> Perrier
>
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 15 Jul 2008 21:47:29 -0700 (PDT)
> From: Perry Sandeen <sandeenpa at yahoo.com>
> Subject: [R-390] PIN Diode question resolved(?)
> To: r-390 at mailman.qth.net
> Message-ID: <7693.45007.qm at web54402.mail.yahoo.com>
> Content-Type: text/plain; charset=utf-8
>
> GM List,
>
> Thanks to all who responded about my question if it was feasible to use 
> PIN diodes for tap selection on a loop antenna.
>
> My original quest was based on a circuit from  Ulrich Rhodeâ?Ts book 
> â?oCommunication receivers: principles & designâ? which had a HP PIN 
> diode attenuator circuit for HF. (It is figure 5.21 on page 239.)  I 
> figured if it could work for him, why not me? Ah ass-u-me!
>
> The general consensus is that they will not work at low frequencies. There 
> maybe an exception with the 1N007 (only) diode due some different doping 
> than the other 1N400X series.  At least it will be cheap to try.
>
> Several suggested relays. I had thought of that but the cost of $3 + 
> stated making this a very expensive project.  What I finally came up to 
> try was to buy some cheap surplus latching relays on epay.
>
> Unfortunately at the moment I donâ?Tt have the time to build my loop.
>
> Those interested in building loop antenna just need to do a google search. 
> There are more articles than you could shake a stick at, including at 
> least tow that will do all the calculating of frequency ranges once you 
> enter you design parameters.
>
> Regards,
>
> Perrier
>
>
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 15 Jul 2008 22:49:04 -0700 (PDT)
> From: Perry Sandeen <sandeenpa at yahoo.com>
> Subject: [R-390] Re: Parts needed
> To: r-390 at mailman.qth.net
> Message-ID: <976626.56953.qm at web54404.mail.yahoo.com>
> Content-Type: text/plain; charset=utf-8
>
> List,
>
> Charlie Hugg, k5mbx at hug-a-bug.com Wrote: I need the following crystals for 
> my 75S-1/32S-1 station: <Snip>   Does anyone have any of these that I 
> could buy?  I also need a spinner knob <Snip>.
>
> Well pilgrim itâ?Ts like this, Iâ?Tm calling you out.
>
> Why, pray tell, should we help you when the only time youâ?Tre on the list 
> is to whine for parts for â?oyour stationâ? when all you are really doing 
> is getting parts to repair equipment that you sell on Ebay?  If this is 
> inaccurate why is you email address â?o.Comâ?o?
>
> You have advertised on your Ebay site on two occasions that the parts you 
> were selling â?ocame from working Hammarlund SP 600 JX-17â?Tsâ?.  When I 
> emailed you about giving list members a chance to buy the radios before 
> parting them out you never replied.
>
> I bought some SP 600 knobs from you that were supposed to be in â?ogreat 
> conditionâ?  When I got them they were definitely â?oaverageâ? so I gave 
> you a neutral feedback. Your response was to black list from bidding on 
> another part you had for sale.
>
> When I was selling IREC tube shields to those on the list you didnâ?Tt 
> want to pay the reasonable price that all others were happy to pay.  In 
> fact I had to turn down several people as I ran out of shields.
>
> Paraphrasing Michael Corleone â?oplease donâ?Tt insult our intelligence by 
> pretending to be a good old boy.�
>
> But to close on  a positive note.  Your time stamp on your e-mail says 
> BST.  Having carefully read several of your ads an Epay for 
> â?oreconditionedâ? R390â?Ts that is a most honest description that all 
> should understand.
>
> Regards,
>
> Perrier
>
>
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Wed, 16 Jul 2008 02:05:04 -0400
> From: "Tracy Fort" <beerbarrel at cox.net>
> Subject: RE: [R-390] Re: Parts needed
> To: <sandeenpa at yahoo.com>, <r-390 at mailman.qth.net>
> Message-ID: <9E443C61DFB24C25B7E83EA159D9DEE0 at Garage>
> Content-Type: text/plain; charset="US-ASCII"
>
> Give him heck Perry!
>
> Thanks,
>
> Tracy Fort
> AJ4AC
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
> On Behalf Of Perry Sandeen
> Sent: Wednesday, July 16, 2008 1:49 AM
> To: r-390 at mailman.qth.net
> Subject: [R-390] Re: Parts needed
>
>
> List,
>
> Charlie Hugg, k5mbx at hug-a-bug.com Wrote: I need the following crystals for
> my 75S-1/32S-1 station: <Snip>   Does anyone have any of these that I 
> could
> buy?  I also need a spinner knob <Snip>.
>
> Well pilgrim it's like this, I'm calling you out.
>
> Why, pray tell, should we help you when the only time you're on the list 
> is
> to whine for parts for "your station" when all you are really doing is
> getting parts to repair equipment that you sell on Ebay?  If this is
> inaccurate why is you email address ".Com"?
>
> You have advertised on your Ebay site on two occasions that the parts you
> were selling "came from working Hammarlund SP 600 JX-17's".  When I 
> emailed
> you about giving list members a chance to buy the radios before parting 
> them
> out you never replied.
>
> I bought some SP 600 knobs from you that were supposed to be in "great
> condition"  When I got them they were definitely "average" so I gave you a
> neutral feedback. Your response was to black list from bidding on another
> part you had for sale.
>
> When I was selling IREC tube shields to those on the list you didn't want 
> to
> pay the reasonable price that all others were happy to pay.  In fact I had
> to turn down several people as I ran out of shields.
>
> Paraphrasing Michael Corleone "please don't insult our intelligence by
> pretending to be a good old boy."
>
> But to close on  a positive note.  Your time stamp on your e-mail says 
> BST.
> Having carefully read several of your ads an Epay for "reconditioned" 
> R390's
> that is a most honest description that all should understand.
>
> Regards,
>
> Perrier
>
>
>
>
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>
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> End of R-390 Digest, Vol 51, Issue 10
> *************************************