[TenTec] Tentec roofing filters and Inrad filters for the Orion.

[Sinisa Hristov]

Eric SENSI wrote:

> Does anybody knows if the Tentec roofing filter #218 (1.8KHz) is the same
> than the Inrad roofing filter #761 ?


Bandwidths are approximately the same:

INRAD 761    1913 Hz @ -6 dB,  3250 Hz @ -60 dB
TenTec 218   1903 Hz @ -6 dB,  3171 Hz @ -60 dB

Inrad data from the web site, TeTec data mine.


73,

Sinisa  YT1NT, VA3TTN