[Elecraft] 1.8 or 2.1 kc Filter

[Bill W4ZV]

Tom Childers, N5GE wrote:
> 
> I've had 1.8 filters in many different rigs over the years and found that
> I
> rarely used them because, in my opinion, they are too narrow for SSB,
> making it
> sound tinny to me.
> 

I'm copying this from the Yahoo Group list because someone recently asked a
similar question. 

**************************************************
Before you give up on the 1.8k filter, be sure to try the following:

1. Tune in a station exactly using a wide filter.
2. Adjust WIDTH = 1800 (or less).
3. Adjust either SHIFT (my preference) or HI/LO CUT for best audio.

With proper adjustment you can get good intelligibility down to 1500
Hz. I believe my SHIFT setting is ~200 at ~1800 BW and goes up to 
~400 at ~1500 BW, but let your own ears be your guide.

I learned this back in my FT-1000MP days and it's absolutely
necessary for using any rig at low bandwidths on SSB.

I would only recommend a 1.8k for someone interested in contesting or
perhaps DX-ing on the low bands. Unless you have extremely strong
stations nearby, the standard 2.7k will still work fine and you can
always narrow the DSP filter to <1800 when necessary.

73, Bill

-- 
View this message in context: http://n2.nabble.com/1.8-or-2.1-kc-Filter-tp474117p474524.html
Sent from the Elecraft mailing list archive at Nabble.com.