[Lowfer] XGR/5

[Bill Ashlock]

>From Bob K3DJC:
 
> if your amp would take it be interesting to see what a half hour key down would look like on ARGO you could probably drop another 3 Db and still see the effect,,,,
 
Bob,
 
I ran the amp at full key down all Tuesday afternoon and the heat sink common to both MosFets stayed cold to the touch! (This is a pair of IRF540s in a totem pole configuration having a separate winding off the input coupling Xfmr feeding each gate/source). On my next trip up (possibly tomorrow) I'll run it this way all night. Will also increase the power level to 50w.
> what kind of reports are you getting at greater distances ?? is there a> point the QSB  is less / More noticeable.
 
Good question. I haven't been able to determine this yet but my sense is that the QSB is much less at locations like Peter's in Northern Ill. The QSB sure is noticeable in Andover tonight. At least 20db variance from one minute to the next! 
 
Bill > Bob K3DJC > _______________________________________________> >From the Lowfer mailing list> Send messages to: Lowfer at mailman.qth.net> To sub/unsub visit: http://mailman.qth.net/mailman/listinfo/lowfer