Famous Ham

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Famous Ham

David Walker-8
I didn't know Marlon Brando was a ham... his call was KE6PZH / FO5GJ.


Dave.
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Re: Famous Ham

N5DWI (ex-K5HOQ)
 
Interesting.
 
I suspected he might be a ham from the fact that I saw a
6 element beam on his property from a news helicopter
flyover on the morning after he died.
 
I looked up the name in the online callbook, but didn't find it,
so I fugured the beam must belong to one of his staff.
 
Does anyone know anyone who ever worked him?
 
jw
 
-------Original Message-------
 
From: David Walker
Date: 07/14/04 06:59:52
To: [hidden email]
Subject: [Elecraft] Famous Ham
 
I didn't know Marlon Brando was a ham... his call was KE6PZH / FO5GJ.
 
 
Dave.
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Re: Famous Ham

Larry Makoski W2LJ
In reply to this post by David Walker-8
To all fo you out there interested in famous Hams; then please check out
this URL

http://users.tellurian.com/gjurrens/famous_hams.html

Wayne and Eric, I think I'm going to have to have Gerry add your names
and calls to the list!

73 de Larry W2LJ - Vivat Morse! © ®

[hidden email]
http://www.qsl.net/w2lj

ARRL Lifemember  QRP ARCI #4488     NJQRP #47
FISTS #1469  QRP-L #778   FP #612  QRPp-I #759
ARS #1528,  AmQRP, CQC #746

K1 #1647  -  K2 #4090  for QRP
Icom IC-751A for QRO
Butternut HF9V and G5RV antennas


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Re: Famous Ham

David Walker-8
In reply to this post by David Walker-8
I know Joe Walsh from the Eagles is an active ham.  I was thrilled to have rx'ed an email from him a few years ago.  He's a Colin's collector and does alot of 10mx AM ops.

Cheers all,

Dave.

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Re: Famous Ham

Peter Howson
In reply to this post by N5DWI (ex-K5HOQ)
David

Extract from the RSGB news:--

One of the best-known names in cinematic as well as amateur radio circles,
actor Marlon Brando, died on the 1st of July at the age of 80. Known to hams
world-wide as KE6PZH and FO5GJ, Brando is listed on the FCC database as
Martin Brandeaux. He was on the air occasionally through the years with his
FO5 callsign from his private island in French Polynesia. In an interview
with Larry King on CNN recorded in 1994 and shown again this week, Brando
confirmed his continued interest in amateur radio. In response to a caller's
question, he said amateur radio provided him with the opportunity to "just
be himself".

Peter
GM8GAX

K" #4027


----- Original Message -----
From: "N5DWI" <[hidden email]>
To: <[hidden email]>
Sent: Wednesday, July 14, 2004 8:01 PM
Subject: Re: [Elecraft] Famous Ham


>
> Interesting.
>
> I suspected he might be a ham from the fact that I saw a
> 6 element beam on his property from a news helicopter
> flyover on the morning after he died.
>
> I looked up the name in the online callbook, but didn't find it,
> so I fugured the beam must belong to one of his staff.
>
> Does anyone know anyone who ever worked him?
>
> jw
>
> -------Original Message-------
>
> From: David Walker
> Date: 07/14/04 06:59:52
> To: [hidden email]
> Subject: [Elecraft] Famous Ham
>
> I didn't know Marlon Brando was a ham... his call was KE6PZH / FO5GJ.
>
>
> Dave.
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth
> net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
> _______________________________________________
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http://mailman.qth.net/mailman/listinfo/elecraft    Help:
http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

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Re: Famous Ham

Kevin Rock
In reply to this post by Larry Makoski W2LJ
Eric is on the list.  Where is Wayne?

I also found an old friend of mine from Wisconsin.  The Banjo Man, Rich
Richelieu great guy.  I never knew he was a radio amateur though.  Made
very nice banjos in Oregon, Wisconsin for years.  He used to play at all
our "family" get togethers.
    Kevin.   KD5ONS




On Wed, 14 Jul 2004 18:18:56 -0400, Lawrence Makoski
<[hidden email]> wrote:

> To all fo you out there interested in famous Hams; then please check out
> this URL
>
> http://users.tellurian.com/gjurrens/famous_hams.html
>
> Wayne and Eric, I think I'm going to have to have Gerry add your names
> and calls to the list!
>
> 73 de Larry W2LJ - Vivat Morse! © ®
>
> [hidden email]
> http://www.qsl.net/w2lj
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Re: Famous Ham

wayne burdick
Administrator
In reply to this post by Larry Makoski W2LJ

On Jul 14, 2004, at 3:18 PM, Lawrence Makoski wrote:

> To all fo you out there interested in famous Hams; then please check
> out
> this URL
>
> http://users.tellurian.com/gjurrens/famous_hams.html
>
> Wayne and Eric, I think I'm going to have to have Gerry add your names
> and calls to the list!

<blush>

Not until my music career takes off, OK?

:)

Wayne


---

http://www.elecraft.com

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RF in the K2 on RTTY

k6mr
In reply to this post by Peter Howson
OK you Elecraft gurus, I've got one for you:

K2/100 #3664 with all mods to date, all options installed, using KAT-100
tuner.  Normal assembly, amplifier in the radio box, tuner in the skinny
package underneath the radio.  Antenna is a random vertical loop, about
125 feet or so around, peak at about 50 feet.  Feeding with coax, and
have a ferrite choke at the feedpoint.  I'm not sure that has anything
to do with it, since my previous antenna was a 100 foot wire fed against
radials, and problem was also occurring.  At first I suspected RF into
the power supply or radio, but now I'm not sure.  The main reason I
suspect RF is that the problem goes away if I use a dummy load.  It also
occurs on two different power supplies.

Occurs most notably on 40 meters. Power set to max will make it occur
every time, reducing the power will reduce the occurrences until at
about 25 watts it does not occur.  On RTTY, any transmission longer than
about 7 or 8 seconds causes the K2 to demand an approximately 35 amp
current spike from the power supply just after the K2 returns to receive
mode.  This causes the supply voltage to drop to about 8 volts, so the
K2 does a sort of power up reset (Elecraft in the display, frequency
changes to the remembered power up frequency, etc.).   I'm monitoring
the supply current with a sense resistor (0.03667 ohms) using a scope in
differential mode to monitor the voltage across the resistor.  If the
transmission is less than the 7 or 8 seconds, no problem.  The current
spike starts about 1.5 to 2 ms after the K2 returns to receive mode, and
the high current lasts about 2 ms, tapering off a bit before it returns
to normal receive current.  The power supply recovers pretty quickly,
the whole glitch is over in 3 ms.  I think the only reason the glitch
stops is that the K2 reset puts it back in receive mode and shuts off
whatever is pulling the current.  This supply is an Astron RS-35A with
all the recommended RF bypassing done.  I have an MFJ 25 amp switching
supply, and the problem also occurs, although the current spike is
obviously big enough to drive that supply into total shutdown.  Regular
key down transmit current is about 15 amps.

This will naturally also occur with the radio in SSB mode putting in the
RTTY tones.  I also duplicated it using just a plain tone into the
microphone.  This problem does not occur in CW mode.  I can leave a full
power carrier on as long as I want and no problem on return to receive.

Some other observations:  if I disconnect the KAT-100 and use an
external tuner on the antenna, the problem goes away.  When the radio
returns to receive mode, the bargraph seems to take about a half second
to go down to zero.  On CW I notice that the bargraph instantly falls to
zero when you come out of tune mode.  Also, sometimes when I activate
the RTTY tones, it seems that the power control has lost control, since
I get about 170 watts out (read on external wattmeter).  This doesn't
happen every time, and I haven't figured out exactly what triggers it.  
Sometimes it settles out at 110 watts just fine.

This really smells like RF getting in somewhere, but I can't figure what
it's doing to the radio to begin to try and choke it off.  All the audio
cables have chokes/shielding/beads/bypasses.  Looking at the KPA-100
schematic, it would seem that the only devices capable of that kind of a
current spike are the finals or the TR switch diodes, and I can't figure
how they would be turning on on the return-to-receive cycle.  It seems
like some sort of stored energy being dissipated as the transmitter is
shut off.  I'm leaning toward the SSB module since there is no problem
in CW mode ( I know, just stay on CW!!), but I can't make the connection
between the SSB module and the PA..

Any ideas you folks can toss my way I'd appreciate.  Since I didn't have
any problems in the initial construction, I didn't get to dig into the
schematics the way some of you have.  I'm hoping someone can take all
these pieces and complete the puzzle.

tnx,

Ken K6MR

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Re: RF in the K2 on RTTY

Stewart Baker


> This really smells like RF getting in somewhere, but I can't figure what
> it's doing to the radio to begin to try and choke it off.  All the audio
> cables have chokes/shielding/beads/bypasses.  Looking at the KPA-100
> schematic, it would seem that the only devices capable of that kind of a
> current spike are the finals or the TR switch diodes, and I can't figure
> how they would be turning on on the return-to-receive cycle.  It seems
> like some sort of stored energy being dissipated as the transmitter is
> shut off.  I'm leaning toward the SSB module since there is no problem
> in CW mode ( I know, just stay on CW!!), but I can't make the connection
> between the SSB module and the PA..
> Any ideas you folks can toss my way I'd appreciate.  Since I didn't have
> any problems in the initial construction, I didn't get to dig into the
> schematics the way some of you have.  I'm hoping someone can take all
> these pieces and complete the puzzle.
> tnx,
> Ken K6MR
 Hi Ken,

You are certainly digging into this one !
Don't know if it may help, but as you are heading towards RF feedback thru the
SSB module you might like to try a mod that I put in my K2.
I was getting RF into the KSB2 on 40m despite good external decoupling.
I added a 1mH RF choke in series with the input to U3 (pin 4) and a 0.001uF
between pin 4 and ground. It got rid of the problem. Worth a try, and will do no
harm. Let us know how you get on.

73
Stewart G3RXQ

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