Hi Jerry.

Most low pass filters of that period used a 30 MHz cut off which will not
pass 6 meters.  I had one low pass filter with a 53 MHz cutoff that was
usable on the low end of 6 meters, but sold it long ago, and I've forgotten
who made it.

73, de Lou K2LKK

At 04:55 PM 7/25/2004 -0400, you wrote:
>Good Sunday afternoon folks.
>
>Anyone out there who knows what the upper cut-off is for conventional
>low-pass filters? Actually, it might be more judicious to say that the one I
>have was purchased about 15 years ago when 6 meters was used much less. In
>fact, in all the years I've been a ham, I have never worked that band and,
>hence, know little about whether the low-pass filter I am now installing
>will let 50 mhz through. I'm mounting a CushCraft r8, 6 through 40 meters
>and would like to take a peek at 6 from time to time. Obviously, if the
>low-pass cut-off is below 50 mhz, I'll leave it out.
>
>Thanks.
>
>Jerry, v e 3 q s o
>
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Louis Kim Kline
A.R.S. K2LKK
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