Frequency Offset, "offset (in ppb)

OK This is an old thread.  I have 6700 v.1.11.12

Had a pretty good 6m band opening today.  I noticed that my dial freq was way off from what people probably were.  50.125 I was reading 50.750.  I went to WWV 15 MHZ and did the cal.   It did its thing and came back with an offset of -252  but when I looked at the signal on AM I could see that it was not centered and when I listened in ssb and switched from USB to LSB the station was not centered.  I kept plugging in Offset values until I got the signal zero beet.  The offset to do this is -7175.  

I went back to 6m meters before the band closed for me.  The signals were pretty close to where they were suppose to be.  I found a net that announced that they were on 50.130 and thats the dial freq I picked them up the best.  Not knowing the persons voice I could still be off some. 

I guess it really doesn't matter as long as I've got the freq reading pretty close.  It just seems that doing a cal should have brought them in closer.

Now that I think about it when I first got this radio years ago.( I was on the waiting list and have a signature model so that was a long time ago.)  The radio was off freq.  and I'm almost sure there was no way do do a cal yourself.  I sent the radio back but while it was there I had them install the gps module.  It died a year or so ago and being retired dont have the $750 or so for a new one.  If it holds I guess I'm good to go.  I have the radio on 24/7 except for lightning storms.