Re: [Elecraft] Trade for Elecreaft Equipment OT

2014-09-03 Thread David Cole
ng worst case.) > 73 > Fred, AE6QL > > -Original Message- > >From: David Cole > >Sent: Sep 3, 2014 5:46 AM > >To: elecraft@mailman.qth.net > >Subject: [Elecraft] Trade for Elecreaft Equipment... > > > >I have a 12.5 inch diameter, f/6, f

Re: [Elecraft] Trade for Elecreaft Equipment OT

2014-09-03 Thread Fred Townsend
Sounds like mirror for smoke to me. (Assuming worst case.) 73 Fred, AE6QL -Original Message- >From: David Cole >Sent: Sep 3, 2014 5:46 AM >To: elecraft@mailman.qth.net >Subject: [Elecraft] Trade for Elecreaft Equipment... > >I have a 12.5 inch diameter, f/6, full thick

[Elecraft] Trade for Elecreaft Equipment...

2014-09-03 Thread David Cole
I have a 12.5 inch diameter, f/6, full thickness, (2.13 inches), fully aluminized, fully parabolized, Pyrex, research grade mirror for sale or trade. It was tested at better than 1/8 wave accuracy, and has a tested value of .972 for Sterehl rating. Testing performed by Optical Wave Labs in Californ