[ARC5] [Milsurplus] ATA- Simple Match

[mstangelo at comcast.net]

Dave,

Thanks, Snce the value is not critical I will check my stock?

73 Mike N2MS

> On 03/02/2025 3:06 PM EST David Stinson <arc5 at ix.netcom.com> wrote:
> 
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> On 3/2/2025 11:07 AM, mstangelo at comcast.net wrote:
> 
> > Dave,
> > 
> > Your series cap looks like one of the Russian capacitors available on EBay. Where seller did you use?
> > 
> > Mike N2MS  
> > -----------------------
> > 
> > Hello, Mike.  
> > Been a long time since I bought these.  I think they were from Bulgaria.
> > One of the old Soviet satts.  They were variously named "doorknob" or 
> > "High Voltage" caps.  I don't see any exactly like them on Ebay 
> > right now, but there is good news:  For 80 meters, any value 
> > from 75-200 pFd will work.  50 to 75 pFd for 40 mtrs.
> > Also, quality 3KV disc ceramics will work as well- just key, 
> > tune and hold for a few seconds.  If the
> > Ceramic cap heats up, it's no good for RF.
> > Tip:  Don't buy the epoxy-dipped blue or red from China.
> > I don't know what they use for dielectric but it's useless above audio.
> > 
> > There's a couple of doorknobs on Ebay:
> > https://www.ebay.com/itm/115839677635  
> > Laughable expensive.
> > Here's some inexpensive ceramics:
> > https://www.ebay.com/itm/116140816607
> > 
> > When someone uploads some to Ebay, be sure to shop around.  Like many
> > of the "boatanchor" sellers, they seem t0 think they're going to pay
> > for their retirement by charging $80 for one doorknob cap.  Re-dikker-us.
> > Wish I had bought more.  I think I have two left (gave the others away).
> > 
> > TNX ES GL OM DE Dave AB5S.