[R-390] Small Coaxial Jumpers on IF Deck

Barry n4buq at knology.net
Wed Jul 7 21:58:25 EDT 2021


Hi Larry,

Thanks for the clarification.  Somehow I got used to calling them mini-BNC but reading Tisha's email included in your document, I remember they're MB for "mini bayonet".  Therefore, the cable I have has a straight and a rignt-angle MB connector.

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "Larry H" <larry41gm at gmail.com>
> To: n4buq at knology.net
> Cc: "Collins R-390 HF Receiver List" <r-390 at mailman.qth.net>
> Sent: Wednesday, July 7, 2021 8:36:31 PM
> Subject: Re: [R-390] Small Coaxial Jumpers on IF Deck
> 
> Hi Doug,  The information you are looking for is in my 'R-390 Newbie
> Support Information' document on the R-390A disk in the Tutorials section.
> Here's a link to it:  Haney_R390_Newbie_Support_Info.pdf (r-390a.net)
> <https://www.r-390a.net/Haney_R390_Newbie_Support_Info.pdf> .   Its on page
> 5 and the title of the page is: 'R-390A mini BNC connector real type, MB
> (Mini Bayonette):'  It tells you who currently sells them.
> 
> Regards, Larry
> 
> On Wed, Jul 7, 2021 at 6:20 PM Doug Hensley <w5jv at hotmail.com> wrote:
> 
> > Always something. . . on one of my units, the IF deck is missing a 6 inch
> > or so jumper that goes from
> > the deck rear itself to the rear panel IF out connector.   One of its
> > sister cables coming over from the
> > RF deck is ,more or less okay but lost its bayonet top half fitting (1/2
> > of its fitting).
> >
> > These are larger than SMA but about 1/3 size of BNC.
> >
> > Anyone know of a source for this stuff?  Boy, my eyes are crossing.
> > Should have struck with DX-60's.
> >
> > Thanks,
> >
> > Doug W5JV
> >
> >
> >
> >
> > Visit https://www.qrz.com/db/W5JV for some great vacuum tube finds.
> >
> >
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