[AMRadio] Re: How can we rid the HF bands of AM ?


peter markavage manualman at juno.com
Sun Aug 7 17:47:06 EDT 2005


I can see Congress spending the time, with all their own local issues and
world issues, to petition the FCC to give hams more RF. Now we're being
silly.
Pete, wa2cwa

On Sun, 07 Aug 2005 16:12:38 -0500 Geoff <w5omr at satx.rr.com> writes:
> Jim Wilhite wrote:
> 
> >> W4AWM at aol.com wrote:
> >>
> >>
> >>> how do we get the old "KW Input" for AM back now?
> >>> probably impossible..
> >>
> >>
> >>> You might start with your congresspersin.
> >>
> >
> > We have a couple of hams in congress.  Why not email them, 
> especially 
> > hams in their district.  One very good argument for going to DC 
> input 
> > is the accuracy of measurement.
> 
> 
> Amen.  Hey, I'm all for running a full kW DC input again, and more 
> power 
> to those of y'all that can pull it off.  I'm plagued with a bad rash 
> of 
> neighboritis.
> 
> But, still.. for accuracy of measurment, how hard is it to calculate 
> 
> 500w DC input?  (uh, gee.. 2500v x 200mA =... Cornbread?)   ;-)
> 
> Besides, Jim - given that Class C finals are 75% efficient (on 
> average), 
> what's 75% of 500w?
> 
> (just to point you in the right direction, 500w DC input is -half- 
> of 
> what we -could- run, given that 1500w PEP is 'generically 
> considered' to 
> be 100% modulation of the product of 75% of a 500w carrier.)
> 
> Can I be an instructor now, Don?  ;-)
> 
> So, we're  NOT down 25% of what we -could- run as some lamented.. 
> it's 
> realistically only 50%.
> 
> The saying back in those days was:
> "They'll get my kilowatt when they pry my D-104 from my cold dead 
> fingers"
>                            and
> "When AM Kilowatts are outlawed, then only outlaws will be running 
> AM 
> Kilowatts". 
> (which in some cases isn't that far from the truth ;-))
> 
> Think about it, fellas.  Asymetrical Audio.  Run 500w DC input - 
> have 
> enough power to modulate the carrier - run 3kW pep
> output, and tell the eff cee cee that "my carrier power is 375w!  
> I'm 
> LEGAL!"  No, really - DO IT!  Currently, (as Jim aptly
> pointed out) who's gonna measure?  How could that measurment stand 
> up in 
> court?  Where are they measuring, at the Final,
> or at the Antenna?
> 
> I think, that if a good, solid, well-built/constructed AM rig was 
> operated in a gentlemany manner, then that person doesn't draw
> that much negative attention to himself and be nice, polite.. 
> Gentlemanly  (sorry, I just ain't heard no female AM'ers) and 
> you'll
> fly under the radar as long as you maintain.  And, you could be 
> running 
> a kW DC input. (which, btw, is 750w of carrier, and
> only 3kW PEP if modulated with a sine-wave to 100% but who talks in 
> 
> sine-waves?)
> 
> ---
> 73 = Best Regards,
> -Geoff/W5OMR



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