[SixClub] MY NEW AMPLIFIER

[Pete]

LMFAOAPOM!
Best thread in months.
-Pete / NL7XM


>> On 2/13/2012 9:39 AM, Mike Andrews wrote:
>>> Burning the ends off the elements is only a start when you
>>> go QRO. You might start hearing voices, too, as some of my
>>> acquaintances have:<http://mikea.ath.cx/VOICE-OF-GOD.html>  and
>>> <http://mikea.ath.cx/moth-arc.html>  tell about this problem. I grant
>>> that these were in the SWBC band, which is HF, and up above HF is where
>>> things get even tricksier.
>> 
>> I take it you've seen "Down Periscope" too?
> 
> Not that I can recall, actually, but Chris and my correspondent at the
> Beeb both swear these things happened to them. So what happened in "Down
> 'Scope"?
> 
>>> Or you could just use it to heat your water for tea or coffee, taking
>>> due care to keep things from getting too dry or too sparky:
>>> <http://mikea.ath.cx/coffee-maker.html>.
>> 
>> *CAUTION* now days they say diathermy isn't good for you and they have 
>> these RF exposure limits. If you think your wife has dinner ready you've 
>> been sitting there too long.
> 
> I remember having my sinuses diathermied when I had horrible and 
> intractable infection. I don't think it affected my intelligence all
> that much, but How About Them Aggies?!?!
> 
> A friend in medical electronics tells a story about some experimental RF
> widget or other used in a surgery. It had worked fine on mice, rats, cats,
> dogs, and chunks of cadaver, but this was the first trial on a human. It
> wasn't doing what they wanted. They upped the ante -- and the RF power.
> Still no go. One more turn on the pot, and someone asked where the smell of
> frying bacon was coming from.
> 
> They had liquefied all the fat cells in the patient's belly fat. Huge, huge
> lawsuit. Their insurance company was Not Pleased.
> 
>> BTW this has some good side effects too.  To meet the exposure limits 
>> you will likely have to put up a taller tower...much taller and you'll 
>> need a much larger lot.
>> For instance with a pair of long boom yagis on 2-meters at 130 feet in 
>> the center of one square acre the maximum I could run based on the 
>> distance to the neighbors was only a few hundred watts.  You get that 
>> quadature array on six fed with a YC156 or pair of 4CX3000's and you'll 
>> have to fence off the back 40 for the 200 foot tower. Don't forget to 
>> make them loop feed antennas (LFAs) to prevent erosion caused by those 
>> electrons skidding off the ends of the elements.  Let's see... A pair of 
>> 4CX3000s is technically capable of roughtly 13 KW into a 20 db array 
>> gives us 1.3 Mw ERP.  Any one have the RF exposure calculator? I haven't 
>> reloaded it since this computer crashed last fall.
> 
> Keep running those QRO++ rigs and your computer won't ever come up for more
> than a few minutes at a time. What are you going to do for feedline? Open
> quads, a la LaPort? I have read stories of birds flying into those on one
> high-power MW station (WLW? Megawatt, Blaw-Knox tower, water cooling) and
> coming out as a ball of plasma on the other side. I believe it.
> 
>> Late at night, at least on 2-meters you just tune for maximum brilliance 
>> in your neighbors fluorescent lights. If the direction indicator gives 
>> out on your rotator you just look to see which direction the glow runs. 
>> Also if you have one of those neighbors who claims to be allergic to 
>> cell phone radiation, you can tell them this will over ride it and 
>> prevent it from bothering and not to worry about those strange burns. It 
>> must have been caused by the sun shining that one day last week. (I live 
>> in Michigan)
> 
> With that pair of 4CX3000 and the 20 dB gain antenna above, you can tell
> where it's pointed by saying "FOUUUUUUUUR" into the mike and looking for
> the aurora! Add elevation controls, and you'll be able to track and zap 
> stray animals and blow the sand-state stuff in police cruisers.
> 
>> I'd also suggest that if your coffee doesn't get cold while setting on 
>> the desk, it might be time to examine your grounding and shielding systems.
> 
> Good points, all of them. A friend used to have a very small fluorescent
> Ty-Rapped to his 2m J-pole. It got reported as a UFO more than once. But
> he was running barefoot. 
> 
> Mike Andrews, W5EGO
> mikea at mikea.ath.cx
> Tired old sysadmin