[Boatanchors] 813 grid to filament short

Jim Liles hallicrafterssr2000 at k9axn.com
Thu Oct 1 11:42:29 EDT 2015


Sounds like your having a bad morning Rob,

Only comment that I find unpleasant is regarding the  "cheap crappy 
lightweight sweep tube gear".

Sweep tubes are simply pulse rated 6146's with a vastly larger cooling 
surface.

If there is a notion that a rig that uses sweep tubes i.e. Hallicrafters, 
Drake, or a dozen others are inferior or cheap junk as compared to those 
that use 6146's then maybe someone could take a moment and explain the 
reasoning.

That's like saying that anyone running AM on the 75 metre band is incapable 
of measuring the power out of their radio and they are simply appliance 
operators.

It's kinda hard to limit the power out of your rig to 375 watts with that 
water cooled 5KW amp especially when you hear a rare one in a pack.  It's 
good that operator can't measure his output.

Have a super day Rob

Kindest regards Jim K9AXN

-----Original Message----- 
From: Rob Atkinson
Sent: Thursday, October 01, 2015 4:16 AM
To: Paul Baldock
Cc: Boat Anchors List
Subject: Re: [Boatanchors] 813 grid to filament short

I wish AM operators would quit expressing power in therms of PEP, a
slopbucket term that came about in the 1960s when manufacturers of
cheap crappy lightweight sweep tube gear etc. designed for slopbucket,
were seeking to bamboozle appliance operators into thinking they had
QRO gear ("Up to 2 KW PEP Input!!")  Now, the modern day plastic radio
operator pisses and moans about how _heavy_ his dinky table top
leenyar is.

The halfway measurable signal component is the carrier--carrier power
tells AM operators all they need to know.

73

Rob
K5UJ
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