Yes, those last three are Collins mechanical filters for the Omni VII.
73, Tony W1OT
On 1/1/08, Dr. Gerald N. Johnson <geraldj@storm.weather.net> wrote:
> On Mon, 2007-12-31 at 12:44 -1000, Ken Brown wrote:
> > Since someone asked about filters, I am reposting this list, and once
> > again asking for any more information you may have to fill in the gaps:
> >
> >
> > Ten-Tec IF filter data
> >
> > Model Number / Stock Code / Bandwidth Hz / Center frequency MHz / Poles
> >
> > Following the number of poles are other numbers that have been reported
> > seen on these filters. They may be date codes or PCB design numbers.
> >
> > 216 / 48161 / 500 / 9.002210 / 6 RTTY filter
> > 217 / 48036 / 500 / 9.000750 / 8
> > 218 / 48037 / 1800 / 9.001500 / 8
> > 219 / 48055 / 250 / 9.000750 / 6 / 8047 / 6840
> > ??? / 48057 / ??? / ???? / 4 / 84-05
> > 220 / 48058 / 2400 / 9.001500 / 8 / 8307 / 6840
> > 221 / 48243 / 250 / 9.000500 / 6 Low note CW filter
> > 282 / 48054 / 250 / 6.299250 / 8
> > 285 / 48053 / 500 / 6.299250 / 8
> > 288 / 48075 / 1800 / 6.300000 / 8 / 9125 / N5
> > unk / 48127 / 6000 / 9 / ?
> > unk / 48074 / 2400 / 6.3 / Stock (non-option) 6.3 MHz filter>
> >
> > The following reported as Omni VI filters
> >
> > Filter Number TT Item # Filter BW
> >
> > 526-8733-010 = 2032 300Hz
> > 526-8693-010 = 2031 500Hz
> > 526-8694-010 = stock 2.5kHz
> >
> Those last three sure look like Collins part numbers? 455 KHz mechanical
> filters for Orion
> or Omni VII? Surely not Omni VI!
>
> 73, Jerry, K0CQ
> >
> >
> >
> >
> >
> > DE N6KB
> >
> >
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|