[R-390] Regarding EMP and Tube Gear shielding

Tue Jan 16 17:28:43 EST 2007

If you can construct a well constructed Faraday Cage in which to store your boatanchor radios and instruments to shield from EMP, your heirs might have a useful radio system.  I have read SS radios will not survive.  Don't forget to carefully disconnect all lead-in lines including power supply and antenna.

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Today's Topics:

1. Re: EMP vs Tube Gear (John Kopke)
2. Re: EMP vs Tube Gear (Jim Shorney)
3. Re: EMP vs Tube Gear (John Lawson)
4. Re: EMP vs Tube Gear (Dino Papas)
5. Re: EMP vs Tube Gear (ELDIM)
6. Re: EMP vs Tube Gear (ELDIM)
7. Re: EMP vs Tube Gear (Mark Huss)
8. RE: EMP vs Tube Gear (Thomas Frobase)
9. RE: EMP vs Tube Gear (Dave Maples)
10. re: EMP and CW (W. Li)

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Message: 1
Date: Mon, 15 Jan 2007 21:11:25 -0600
From: "John Kopke" 
Subject: Re: [R-390] EMP vs Tube Gear
To: John Lawson , r-390 at mailman.qth.net
Message-ID: 
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"

I hesitate to show my ignorance, but what is an EMP ?
Foolishly;
john (read thermonuclear electro magnetic pulse )???

n Mon, 15 Jan 2007 20:38:43 -0500 (EST)
John Lawson wrote:
> 
> 
> On Mon, 15 Jan 2007, Perry Sandeen wrote:
> 
>> 1. That after an EMP, listening to the radio will be 
>>important.
>> 2. That there will be something to listen too.
>>
> 
> 
> Not only will having a radio to listen to be of 
>crucial importance (in 
> the however-unlikely event of such a global catastrophe 
>actually occuring) BUT: after that scenario, I would like 
>to humbly offer that myself - and many others who posess 
>boatanchor *transmitters* and who have backup generators 
>- may in fact become THE 'talkers' that those EMP-proof 
>radios will be able to hear.
> 
> I can make an honest kilowatt on AM from the BC band 
>up thru about 20 
> meters - and 150 watts, and two rigs that make about 40 
>on all the current ham bands (RCA BTA-1MX, Valiant, 
>Ranger and ELMAC AF-67) I have a genset available that 
>will run 'em all, plus the house. (of course I have BA 
>recievers, too - R-390, R-390A, R-388...)
> 
> Someone I know, with a couple of retro-fit type mods, 
>can do 10KW AM on 
> most HF freqs - as well as 1 KW, 450watts, and 100 watts 
>- simultaneously if need be. He has a military-style 
>multifuel genset that will operate all these rigs - and 
>run on any reasonably-volatile oil. And he also (lucky 
>dog!) has the acreage for big antennae. I have room for 
>slopers and Vs... but still an effective antenna array 
>can be fielded at my QTH.
> 
> So - *if* the Doomsday Scenario comes to pass - the 
>Boatanchors of today 
> might very well become *the* communications 
>infrastructure, until it all gets put back together 
>again.
> 
> 
> 
> Just my 200 milidollar on the subject of Hams, 
>Emergencies, and 
> privately-owned legacy gear. ;}
> 
> 
> Cheers
> 
> John
> KB6SCO
> DM09fg
> 
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------------------------------

Message: 2
Date: Mon, 15 Jan 2007 20:19:55 -0600 (CST)
From: "Jim Shorney" 
Subject: Re: [R-390] EMP vs Tube Gear
To: "r-390 at mailman.qth.net" 
Message-ID: <20070116021912.3401D10E73067 at duck.inebraska.com>
Content-Type: text/plain; charset="us-ascii"

On Mon, 15 Jan 2007 18:05:02 -0800, ELDIM wrote:

>"VEEGER", the probe that was sent to Venus,of the SCI-FI Movie I 
>just can't put my finger on it's title.

V'GER, Star Trek: The Motion Picture (a.k.a. Star Trak 1). It was a Voyager
probe, sent towards Jupiter IIRC, not Venus.

-- 
Jim Shorney -->.<--Put complaints in this box
jshorney (at) inebraska.com
Ham Radio NU0C
Lincoln, NE, USA
EN10ps
http://incolor.inetnebr.com/jshorney/

------------------------------

Message: 3
Date: Mon, 15 Jan 2007 21:25:48 -0500 (EST)
From: John Lawson 
Subject: Re: [R-390] EMP vs Tube Gear
To: r-390 at mailman.qth.net
Message-ID: 

Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed

On Mon, 15 Jan 2007, James A. (Andy) Moorer wrote:

> If you are close enough to a nuclear blast that EMP is an issue, I submit 
> that the survivability of your radio will be the least of your problems.
>
> The EMP halo does extend past the zone of immediate vaporization, but not a 
> lot. Chances are good you will die a long and lingering death from radiation 
> poisoning while trying to tune your radio.

A most excellent point Doc - and well taken. However: might I also 
'umbly offer that everything I have here, get *here* somehow - including a 
couple of things I bought from out thataway - some EMP-resistant TTY gear, 
IIRC.

So let's say They try to level, say, Bismarck, ND. And all electronic 
gear within a large radius is rendered into slag by EMP(s). My old Toob 
Gear, in the event of such a national emergency, would of course be at the 
disposal of the Nation (myself included) and, if needed, could be trucked 
to Wherever...

And this is all getting rather Art Bell-ish - no? ;}

Cheers

John
KB6SCO
DM09fg

------------------------------

Message: 4
Date: Mon, 15 Jan 2007 21:30:16 -0500
From: Dino Papas 
Subject: Re: [R-390] EMP vs Tube Gear
To: Mail List - R-390 
Message-ID: <363AFFCC-D719-4FBA-A143-6C5064D16E28 at cox.net>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

And as I recall from my days in NBC school many moons ago:

Question: "How far away from a nuclear explosion do you have to be 
in order to be safe?"

Answer: "Far enough away to say....what was that?"

Dino KL0S/4

------------------------------

Message: 5
Date: Mon, 15 Jan 2007 18:39:45 -0800
From: "ELDIM" 
Subject: Re: [R-390] EMP vs Tube Gear
To: "James A. (Andy) Moorer" ,

Message-ID: <000301c73917$9643b840$0400a8c0 at macappleflfzv8>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=response

WOW! DYING WHAT YOU LOVE TO BO BEST, or 2ND BEST.
73,
Glen

P.S. I'm not fgoing to wastes my precious short life worrying about it.
I just want to make sure that my slate is clean, I own nothing,and dream 
about what my next station will look like.
GOSH! NO ANTENNAS........ .- .-.
----- Original Message ----- 
From: "James A. (Andy) Moorer" 
To: 
Sent: Monday, January 15, 2007 5:52 PM
Subject: Re: [R-390] EMP vs Tube Gear

> If you are close enough to a nuclear blast that EMP is an issue, I submit 
> that the survivability of your radio will be the least of your problems.
>
> The EMP halo does extend past the zone of immediate vaporization, but not 
> a lot. Chances are good you will die a long and lingering death from 
> radiation poisoning while trying to tune your radio.
>
> James A. (Andy) Moorer
> www.jamminpower.com
>
> ----- Original Message ----- 
>
>>
>>
>> On Mon, 15 Jan 2007, Perry Sandeen wrote:
>>
>>> 1. That after an EMP, listening to the radio will be important.
>>> 2. That there will be something to listen too.
>>>
>
> _____________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/faq.htm
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------------------------------

Message: 6
Date: Mon, 15 Jan 2007 18:46:31 -0800
From: "ELDIM" 
Subject: Re: [R-390] EMP vs Tube Gear
To: "Jim Shorney" , 
Message-ID: <001701c73918$88803390$0400a8c0 at macappleflfzv8>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original

GEESH, that Jim guy in Nebraska sure is breathing a lot cleaner air that I.
This air out here must me clouding my aged memory. Either that or I need 
another glass of wine.
Give Jim a HIGH FIVER! A TRUE SIC-FI BUFF.

73
Glen in Tacoma
----- Original Message ----- 
From: "Jim Shorney" 
To: 
Sent: Monday, January 15, 2007 6:19 PM
Subject: Re: [R-390] EMP vs Tube Gear

> On Mon, 15 Jan 2007 18:05:02 -0800, ELDIM wrote:
>
>>"VEEGER", the probe that was sent to Venus,of the SCI-FI Movie I
>>just can't put my finger on it's title.
>
> V'GER, Star Trek: The Motion Picture (a.k.a. Star Trak 1). It was a 
> Voyager
> probe, sent towards Jupiter IIRC, not Venus.
>
>
>
> -- 
> Jim Shorney -->.<--Put complaints in this box
> jshorney (at) inebraska.com
> Ham Radio NU0C
> Lincoln, NE, USA
> EN10ps
> http://incolor.inetnebr.com/jshorney/
>
> _____________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:R-390 at mailman.qth.net
> Unsubscribe: http://mailman.qth.net/mailman/options/r-390 

------------------------------

Message: 7
Date: Mon, 15 Jan 2007 22:04:47 -0500
From: Mark Huss 
Subject: Re: [R-390] EMP vs Tube Gear
To: "James A. (Andy) Moorer" 
Cc: r-390 at mailman.qth.net
Message-ID: <45AC40CF.7060406 at bellatlantic.net>
Content-Type: text/plain; charset=windows-1252; format=flowed

Only for Ground bursts or Air bursts below about 5 miles. A 60 to 100 
mile high burst with a ten KT warhead would take out a five hundred to 
thousand mile radius, depending. Remember, one particularly nasty emp 
pulse most people do not consider are the Power Lines. The spikes can 
cause arc shorts in transformers, as well as taking out those rectifier 
diodes.when it does. If Ltl-Kim ever gets the No-Dong missile (somebody 
really needs to talk to his PR Dept about those names) to work right, he 
should be able to take out the coast west of the Rockies.
P.S. I have been told that a suborbital burst is quite a sight from 2500 
miles at night. And even with tube gear, it will kill the Ionosphere for 
an hour or so. Then the 'ringing' means CW is about the only 
understandable mode. (Witness in Johnson Island during a high-altitude 
burst over Bikini Atol.)

James A. (Andy) Moorer wrote:
> If you are close enough to a nuclear blast that EMP is an issue, I 
> submit that the survivability of your radio will be the least of your 
> problems.
>
> The EMP halo does extend past the zone of immediate vaporization, but 
> not a lot. Chances are good you will die a long and lingering death 
> from radiation poisoning while trying to tune your radio.
>
> James A. (Andy) Moorer
> www.jamminpower.com
>
> ----- Original Message -----
>>
>>
>> On Mon, 15 Jan 2007, Perry Sandeen wrote:
>>
>>> 1. That after an EMP, listening to the radio will be important.
>>> 2. That there will be something to listen too.
>>>
>
> _____________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:R-390 at mailman.qth.net
> Unsubscribe: http://mailman.qth.net/mailman/options/r-390
>

-- 
----------------------------------------------------------------------
Some people are like a Slinky .. not really good for anything,
but you still can’t help but smile when you shove them down the stairs.
----------------------------------------------------------------------

------------------------------

Message: 8
Date: Mon, 15 Jan 2007 21:07:53 -0600
From: "Thomas Frobase" 
Subject: RE: [R-390] EMP vs Tube Gear
To: 
Message-ID: <003401c7391b$84f0c3e0$0c01010a at tfrobase1>
Content-Type: text/plain; charset="us-ascii"

No Halo?
-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
On Behalf Of ELDIM
Sent: Monday, January 15, 2007 8:40 PM
To: James A. (Andy) Moorer; r-390 at mailman.qth.net
Subject: Re: [R-390] EMP vs Tube Gear

WOW! DYING WHAT YOU LOVE TO BO BEST, or 2ND BEST.
73,
Glen

P.S. I'm not fgoing to wastes my precious short life worrying about it.
I just want to make sure that my slate is clean, I own nothing,and dream 
about what my next station will look like.
GOSH! NO ANTENNAS........ .- .-.

------------------------------

Message: 9
Date: Mon, 15 Jan 2007 22:16:14 -0500
From: "Dave Maples" 
Subject: RE: [R-390] EMP vs Tube Gear
To: "Mark Huss" , "James A. (Andy) Moorer"

Cc: r-390 at mailman.qth.net
Message-ID: 
Content-Type: text/plain; charset="Windows-1252"

All: Wonder what kind of radius would be achieved with something at
40,000-45,000 feet (e.g. use a Learjet as a delivery platform)?

Dave WB4FUR

-----Original Message-----
From: r-390-bounces at mailman.qth.net
[mailto:r-390-bounces at mailman.qth.net]On Behalf Of Mark Huss
Sent: Monday, January 15, 2007 10:05 PM
To: James A. (Andy) Moorer
Cc: r-390 at mailman.qth.net
Subject: Re: [R-390] EMP vs Tube Gear

Only for Ground bursts or Air bursts below about 5 miles. A 60 to 100
mile high burst with a ten KT warhead would take out a five hundred to
thousand mile radius, depending. Remember, one particularly nasty emp
pulse most people do not consider are the Power Lines. The spikes can
cause arc shorts in transformers, as well as taking out those rectifier
diodes.when it does. If Ltl-Kim ever gets the No-Dong missile (somebody
really needs to talk to his PR Dept about those names) to work right, he
should be able to take out the coast west of the Rockies.
P.S. I have been told that a suborbital burst is quite a sight from 2500
miles at night. And even with tube gear, it will kill the Ionosphere for
an hour or so. Then the 'ringing' means CW is about the only
understandable mode. (Witness in Johnson Island during a high-altitude
burst over Bikini Atol.)

James A. (Andy) Moorer wrote:
> If you are close enough to a nuclear blast that EMP is an issue, I
> submit that the survivability of your radio will be the least of your
> problems.
>
> The EMP halo does extend past the zone of immediate vaporization, but
> not a lot. Chances are good you will die a long and lingering death
> from radiation poisoning while trying to tune your radio.
>
> James A. (Andy) Moorer
> www.jamminpower.com
>
> ----- Original Message -----
>>
>>
>> On Mon, 15 Jan 2007, Perry Sandeen wrote:
>>
>>> 1. That after an EMP, listening to the radio will be important.
>>> 2. That there will be something to listen too.
>>>
>
> _____________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:R-390 at mailman.qth.net
> Unsubscribe: http://mailman.qth.net/mailman/options/r-390
>

--
----------------------------------------------------------------------
Some people are like a Slinky .. not really good for anything,
but you still can’t help but smile when you shove them down the stairs.
----------------------------------------------------------------------
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------------------------------

Message: 10
Date: Mon, 15 Jan 2007 22:03:52 -0800 (PST)
From: "W. Li" 
Subject: [R-390] re: EMP and CW
To: R-390 at mailman.qth.net
Message-ID: <20070116060352.91541.qmail at web54501.mail.yahoo.com>
Content-Type: text/plain; charset=iso-8859-1

"Veeger" was the probe in Star Trek I, the Movie

W. Li

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