[Elecraft] Fishy QRM: Who FRTed?

Fri Dec 5 09:30:59 2003

As I recall, herring travel in large schools.  They must have very effective 
built-in bandpass filters to be able to home in on a particular 
conversation...otherwise the QRM would be horrendous (not to mention the 
smell!)

73,

Ken - VE3HLS

>From: Lloyd Lachow <[email protected]>
>To: List Elecraft <[email protected]>,sidebar a 
><[email protected]>, Li'l Piggies <[email protected]>,a low-energy group 
><[email protected]>
>Subject: [Elecraft] Fishy QRM: Who FRTed?
>Date: Fri, 5 Dec 2003 06:14:52 -0800 (PST)
>
>http://209.157.64.200/focus/f-news/1019535/posts
>
>Herrings converse via flatulence, researchers find
>  11-11-03

[snip...]

>The Pacific species (Clupea pallasii) were found to
>emit distinctive bursts of pulses, known as fast
>repetitive tick (FRT) sounds, mostly at night, lasting
>between 0.6 seconds and 7.6 seconds in the 1.7 to 22
>kilohertz bands. [Frequency reference = very
>appropriate ham radio post, eh?]
>
>    this one has a link to click to listen to the FRTs:
>
>http://www.vanaqua.org/aquanews/benwilson_herringfrts.html
>
>    LL
>
>
>
>__________________________________
>Do you Yahoo!?
>Free Pop-Up Blocker - Get it now
>http://companion.yahoo.com/
>_______________________________________________
>Elecraft mailing list: [email protected]
>You must be subscribed to post to the list.
>To subscribe or unsubscribe see: 
>http://mailman.qth.net/mailman/listinfo/elecraft
>Elecraft Web Page: http://www.elecraft.com
>Also see: http://www.elecraft.com/elecraft_list_guidelines.htm

_________________________________________________________________
MSN 8 helps eliminate e-mail viruses. Get 2 months FREE*.  
http://join.msn.com/?page=features/virus&pgmarket=en-ca&RU=http%3a%2f%2fjoin.msn.com%2f%3fpage%3dmisc%2fspecialoffers%26pgmarket%3den-ca