[Elecraft] Going Mobile?

[Robert 'RC' Conley]

This is a web site you absolutely must read 

-- 
The Morse be with youLive Long and Prosper
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Re: [Elecraft] Going Mobile?

[Jim Brown]

On 10/9/2017 1:49 PM, Robert 'RC' Conley wrote:

This is a web site you absolutely must read


I looked at this website several years ago, found things that were dead 
wrong from and RFI perspective, and took them up with the author who 
refused to accept my advice. I didn't bother to read further. There may 
be some good stuff there, but I don't recommend the site.


73, Jim K9YC

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Re: [Elecraft] Going Mobile?

[Bob McGraw K4TAX]

Yeah, just remember..everything written and printed and found on 
the web is not necessarily correct, nor accurate, and not of the current 
methodology of doing things.  I find that a lot of info borders on what 
someone told their brother in law, that has a 3rd cousin who was a 
neighbor of a ham some 20 years ago.  Of course in that caseonce 
it is said it must be fact!


73

Bob K4TAX


On 10/9/2017 4:59 PM, Jim Brown wrote:

On 10/9/2017 1:49 PM, Robert 'RC' Conley wrote:

This is a web site you absolutely must read


I looked at this website several years ago, found things that were 
dead wrong from and RFI perspective, and took them up with the author 
who refused to accept my advice. I didn't bother to read further. 
There may be some good stuff there, but I don't recommend the site.


73, Jim K9YC



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Re: [Elecraft] Going Mobile?

[Wes Stewart]

Interesting photos of my Elmer's mobile though:

http://www.k0bg.com/gallery2/main.php?g2_itemId=1039

On 10/9/2017 3:11 PM, Bob McGraw K4TAX wrote:
Yeah, just remember..everything written and printed and found on the 
web is not necessarily correct, nor accurate, and not of the current 
methodology of doing things.  I find that a lot of info borders on what 
someone told their brother in law, that has a 3rd cousin who was a neighbor of 
a ham some 20 years ago.  Of course in that caseonce it is said it 
must be fact!


73

Bob K4TAX


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Re: [Elecraft] Going Mobile?

[Bob Nielsen]

In the late 1980s WB6FDR showed me his mobile station that had a Kenwood 
rig with a small control head which he had mounted on the dash of his 
Mercedes.  The rest of the rig plus a KW amp all fit in the trunk.


I recall that one of the old W6SAI handbooks showed a mobile rig with an 
amp that used water cooling.


Bob, N7XY


On 10/9/17 3:46 PM, Wes Stewart wrote:

Interesting photos of my Elmer's mobile though:

http://www.k0bg.com/gallery2/main.php?g2_itemId=1039

On 10/9/2017 3:11 PM, Bob McGraw K4TAX wrote:
Yeah, just remember..everything written and printed and found 
on the web is not necessarily correct, nor accurate, and not of the 
current methodology of doing things.  I find that a lot of info 
borders on what someone told their brother in law, that has a 3rd 
cousin who was a neighbor of a ham some 20 years ago.  Of course in 
that caseonce it is said it must be fact!


73

Bob K4TAX


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Re: [Elecraft] Going Mobile?

[Mel Farrer via Elecraft]

Yes, the water cooled antenna amplifier was a Dalmo Motor inverter and Jennings 
2w300b tetrode amplifier I had one.  I still have the amp and manuals.
Mel, K6KBE

  From: Bob Nielsen 
 To: elecraft@mailman.qth.net 
 Sent: Monday, October 9, 2017 4:19 PM
 Subject: Re: [Elecraft] Going Mobile?
   
In the late 1980s WB6FDR showed me his mobile station that had a Kenwood 
rig with a small control head which he had mounted on the dash of his 
Mercedes.  The rest of the rig plus a KW amp all fit in the trunk.

I recall that one of the old W6SAI handbooks showed a mobile rig with an 
amp that used water cooling.

Bob, N7XY


On 10/9/17 3:46 PM, Wes Stewart wrote:
> Interesting photos of my Elmer's mobile though:
>
> http://www.k0bg.com/gallery2/main.php?g2_itemId=1039
>
> On 10/9/2017 3:11 PM, Bob McGraw K4TAX wrote:
>> Yeah, just remember..everything written and printed and found 
>> on the web is not necessarily correct, nor accurate, and not of the 
>> current methodology of doing things.  I find that a lot of info 
>> borders on what someone told their brother in law, that has a 3rd 
>> cousin who was a neighbor of a ham some 20 years ago.  Of course in 
>> that caseonce it is said it must be fact!
>>
>> 73
>>
>> Bob K4TAX
>
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Re: [Elecraft] Going Mobile?

[Don Wilhelm]

I recall a construction article a long time ago (mid 1960's) in GE Ham 
News where W8DLD constructed a 1KW mobile linear using a pair of 
Grounded Grid 814 tubes and developed the HV from a modified alternator 
to bring the 3 phase AC out and run it to 3 transformers.


Of course, in those days, there were no computers in vehicles to be 
concerned about, and there was plenty of room in the vehicle to mount 
the exciter, usually under the center of the dashboard.  Remember that 
the Collins KM1 and KM2 were designed as mobile transceivers, and they 
were much larger than the K3.


73,
Don W3FPR

On 10/9/2017 7:14 PM, Bob Nielsen wrote:
In the late 1980s WB6FDR showed me his mobile station that had a Kenwood 
rig with a small control head which he had mounted on the dash of his 
Mercedes.  The rest of the rig plus a KW amp all fit in the trunk.



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Re: [Elecraft] Going Mobile?

[Tox]

I hate to think how much of that kilowatt got absorbed by the operator.

On Mon, Oct 9, 2017 at 4:34 PM, Don Wilhelm  wrote:

> I recall a construction article a long time ago (mid 1960's) in GE Ham
> News where W8DLD constructed a 1KW mobile linear using a pair of Grounded
> Grid 814 tubes and developed the HV from a modified alternator to bring the
> 3 phase AC out and run it to 3 transformers.
>
> Of course, in those days, there were no computers in vehicles to be
> concerned about, and there was plenty of room in the vehicle to mount the
> exciter, usually under the center of the dashboard.  Remember that the
> Collins KM1 and KM2 were designed as mobile transceivers, and they were
> much larger than the K3.
>
> 73,
> Don W3FPR
>
> On 10/9/2017 7:14 PM, Bob Nielsen wrote:
>
>> In the late 1980s WB6FDR showed me his mobile station that had a Kenwood
>> rig with a small control head which he had mounted on the dash of his
>> Mercedes.  The rest of the rig plus a KW amp all fit in the trunk.
>>
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> Message delivered to scott.sm...@gmail.com
>



-- 
Scott Small
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Re: [Elecraft] Going Mobile?

[Carl Yaffey1]

A memory:
1955 I was at the Virginia Phone Net picnic at a farm. A guy pulls up in a 
Plymouth coupe with a huge plastic box on the roof with large coils and 
capacitors showing. Sticking out of it was a long vertical antenna.
He stepped out. He had a microphone harness on which had probably been from the 
Navy. He pushed a button on it and a huge whine erupted from the trunk. He then 
pointed a piece of wood near the vertical and drew a tremendous arc to it.
He opened the trunk and we saw several large dynamotors and many batteries. 
Yes, he had a 75M kilowatt AM rig. Pretty amazing.

Carl Yaffey  K8NU
Recording studio.
cyaffeyno_s...@gmail.com 
614 268 6353, Columbus OH
http://www.carl-yaffey.com
http://www.grassahol.com
http://www.bluesswing.com

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Re: [Elecraft] Going Mobile?

[Ron D'Eau Claire]

Those were the days when a mobile operator would make his engine stall by 
pressing the PTT when the engine was idling at a stop light. 

One guy I knew tore out the whole back seat of his sedan and filled it with a 
KW AM rig (bachelor of course). His mobile antenna featured a copper toilet 
tank float on top to avoid corona discharge on transmit. 

Back then RF radiation levels were consider harmless at any level or frequency. 
There is the well-documented story of the Microwave engineer at Raytheon who 
discovered a chocolate bar in his shirt pocket suddenly melted. He figured out 
that he was standing in front of the open port of a magnetron. And the 
"Microwave Oven" (back then a "Radar Range") was born. 

Working at Lockheed Aircraft Service one night on the F-86 flight line I 
thought I was coming down with the flu because I was suddenly sweaty on a cold, 
winter night. Then I noticed that the fire control radar on one of the F-86's 
nearby with the radome off was "looking" right at me. I moved several meters to 
one side and the dish followed me. I was being irradiated by the RF, raising my 
body temperature. I just moved further away. No one thought that was 
remarkable. 

We have become much more sensitive to such things. But it was not always so, 
even for the current generation of Hams. 

73, Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Monday, October 9, 2017 4:34 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Going Mobile?

I recall a construction article a long time ago (mid 1960's) in GE Ham News 
where W8DLD constructed a 1KW mobile linear using a pair of Grounded Grid 814 
tubes and developed the HV from a modified alternator to bring the 3 phase AC 
out and run it to 3 transformers.

Of course, in those days, there were no computers in vehicles to be concerned 
about, and there was plenty of room in the vehicle to mount the exciter, 
usually under the center of the dashboard.  Remember that the Collins KM1 and 
KM2 were designed as mobile transceivers, and they were much larger than the K3.

73,
Don W3FPR

On 10/9/2017 7:14 PM, Bob Nielsen wrote:
> In the late 1980s WB6FDR showed me his mobile station that had a Kenwood 
> rig with a small control head which he had mounted on the dash of his 
> Mercedes.  The rest of the rig plus a KW amp all fit in the trunk.
> 
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Re: [Elecraft] Going Mobile?

[Clay Autery]

LMAO!  Wow!!!  Can you say HIRTA? That is an awesome story My uncle 
had lots of oddly funny/scary stories like that having "grown up" in the 
air force (35+ years).


Thanks for making me think about the man in the #2 spot on my "Heroes List".

73,

__
Clay Autery, KY5G

On 10/9/2017 10:17 PM, Ron D'Eau Claire wrote:

Working at Lockheed Aircraft Service one night on the F-86 flight line I thought I was 
coming down with the flu because I was suddenly sweaty on a cold, winter night. Then I 
noticed that the fire control radar on one of the F-86's nearby with the radome off was 
"looking" right at me. I moved several meters to one side and the dish followed 
me. I was being irradiated by the RF, raising my body temperature. I just moved further 
away. No one thought that was remarkable.

73, Ron AC7AC




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