[TenTec] Hello Orion Users

[Mike Pagel]

Project ELF is located in northern Wisconsin and Michigan's Upper Penninsula.  It is capable of producing signals from 30 to 300 Hz.

http://www.oldradio.com/archives/jurassic/ELF.doc

73, de Mike, K9UW
Amherst, WI

---------- Original Message ----------------------------------
From: "John T. Fleming" <W3GQJ at attbi.com>
Reply-To: tentec at contesting.com
Date:  Mon, 5 May 2003 22:33:43 -0500

>Tom,
>
>Isn't here also a 10 KHz antenna system in the upper peninsula of Michigan?
>I seem to remember reading about it being built years ago.
>
>73,
>John
>
>PS  As a kid years ago when I had an SX-99 receiver, I had door bell wire
>running around my bedroom and hooked to the external speaker connection.  I
>had a set of high impedance headphones and a coil of wire that fit on my
>head like a halo.  I think it was maybe #21 wire.  I forget how many turns
>there were, but it was about a quarter inch of coil after I wrapped it with
>electrical tape.  I could then listen to the radio while I cut the grass in
>the back yard.  Is that RF or AF?  I assume it was RF since AF is usually
>related to moving the air for the ear to hear.  Fuel for the fire. :-)
>
>
>-----Original Message-----
>From: tentec-bounces at contesting.com [mailto:tentec-bounces at contesting.com]
>On Behalf Of Thomas Jednacz
>Sent: Monday, May 05, 2003 10:11 PM
>To: tentec at contesting.com
>Subject: RE: [TenTec] Hello Orion Users
>
>Hello Bill and all - Bill you are correct. The Navy uses just such a system
>to communicate with the subs around the world. You should see the antennas
>around San Diego. Wow!
>
>Tom, W7QF
>
>-----Original Message-----
>From: tentec-bounces at contesting.com
>[mailto:tentec-bounces at contesting.com]On Behalf Of WILLIAM MANSEY;
>WA2PVK
>Sent: Monday, May 05, 2003 9:20 PM
>To: tentec at contesting.com
>Subject: Re: [TenTec] Hello Orion Users
>
>
>Hello Carl and everyone,
>    This is an interesting subject and one that I have had heated
>discussions over. (IE: Arguments!)
>    When is RF "RF" and not "AF"?   If one were to build a transmitter, of
>"conventional" design - BUT on a scale that would operate at 10KHz. and
>connected it to "The Mother of all Antennas" it would radiate a signal just
>like any other transmitter is supposed to be doing.  NOW for the "fun"
>part - - - If you were in the near vicinity of this monstrosity would you
>hear anything?  I say NO because it is RF.  (if you were real close to the
>transmitter you might hear a signal but only if the RF caused mechanical
>vibrations in the coils and/or other components.
>    Someone PLEASE correct me if I am wrong.  I am used to that and can
>handle being corrected.  I remember that because I was wrong ONCE before!
>:-)
>    I am not trying to stir up any trouble.  I just am seeking clarification
>of this interesting subject.  I just think that RF applies to
>electromagnetic energy travelling at the speed of light.
>    The bottom line is, to me, that the DSP (and the rest of the attached
>Orion) works fantastically well!  73, Bill
>wa2pvk at verizon.net
>
>
>---
>Outgoing mail is certified Virus Free.
>Checked by AVG anti-virus system (http://www.grisoft.com).
>Version: 6.0.474 / Virus Database: 272 - Release Date: 4/18/2003
>
>_______________________________________________
>TenTec mailing list
>TenTec at contesting.com
>http://lists.contesting.com/mailman/listinfo/tentec
>
>_______________________________________________
>TenTec mailing list
>TenTec at contesting.com
>http://lists.contesting.com/mailman/listinfo/tentec
>
>
>
>_______________________________________________
>TenTec mailing list
>TenTec at contesting.com
>http://lists.contesting.com/mailman/listinfo/tentec
>