Don't forget that coil of razor wire on the ground. I really don't think of atmospheric research when I see that.
Ed From: John Woodgate [mailto:[email protected]] Sent: Tuesday, April 10, 2007 10:24 AM To: [email protected] Subject: Re: Unknown Antenna In message <[email protected]>, dated Tue, 10 Apr 2007, David Cuthbert <[email protected]> writes: >This looks like a helical vertical. Given the spiral pitch it is >resonant around 5 MHz. Why would anyone want to squirt 5 MHz vertically upwards? E-layer height measurement? -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk There are benefits from being irrational - just ask the square root of 2. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________ - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
