I don't recall anyone answering the original question of why "roofing
filters"  The term has been used in the UK for many many years.   Imagine
you are in a well designed tent and it is capable of keeping you warm and
dry in "normal" weather conditions but during a cloud burst water may start
to enter the tent.  The solution, as all you happy campers know, is to put a
fly sheet over the tent and the problem is over.

The tent is the DSP system and the fly sheet is your roofing filter.

 

73

Max ZL4VV

_______________________________________________
Elecraft mailing list
Post to: [email protected]
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

Reply via email to