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


Jim Wilhite w5jo at brightok.net
Sun Aug 7 18:53:34 EDT 2005


No Pete, only the ARRL can be silly.  Bandwidth proposal!!!!
----- Original Message ----- 
From: "peter markavage" <manualman at juno.com>
To: <amradio at mailman.qth.net>
Sent: Sunday, August 07, 2005 4:47 PM
Subject: Re: [AMRadio] Re: How can we rid the HF bands of AM ?


>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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