[TenTec] Identify 9Mhz OMNI VI+ Filters

[Dr. Gerald N. Johnson]

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
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> DE N6KB
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