[TenTec] Inrad Roofing filter board in Omni VI

[Chuck Guenther]

Hi, Ken

Regarding placement of selectivity, your suggestion of replacing Y2 is intriguing, although one would have to be very careful of the low end rolloff in this filter. (George at INRAD has already found that the 2.4KHz filter there causes some attenuation for low CW pitches.)  

 I think my main problem is one of being able to turn the roofer on and off independently of the NAR filter, and that is only because I have the Omni VI and not the VI+.  I'll probably set mine up to use one of the following buttons to control the roofing filter: ATTN, Voice, or FM.

73,
Chuck  NI0C