Thread: Bonding....
View Single Post
  #27  
Old 04-26-2011, 09:18 AM
DaveInDenver's Avatar
DaveInDenver DaveInDenver is offline
Hard Core 4+
 
Join Date: Jun 2006
Location: Larimer County
Posts: 6,984
Default

Quote:
Originally Posted by DaveInDenver View Post
My truck is an EMI nightmare
Made a significant change last night. I installed my common mode choke that uses 50 ferrite beads on a length of RG-58. They are mix #31 and it replaced the toroid I had the HF feedline wrapped around. This morning I gave 40m a shot and nary a tick to be heard, just that blessed sound of the cosmos. Yippee! I'm wondering now if the ferrite I had was maybe not the mix I thought it was now. On 6m the ignition noise is evident but doesn't move the S-meter, which is exactly what I would expect with ferrite #31, that it would be much less effective at 50MHz than 7Mhz.

BTW, heard a Japan station on 40m at 7:15 local. He was obviously having QSO with someone I could not hear, so I didn't burst in. He was only S5-ish, something that was normally swamped.
__________________
'91 Pickup - Imelda
'08 Tacoma TRD - Donna
'09 Kawasaki KLR650
'12 Gunnar Rockhound 29

"Our task must be to free ourselves from this prison by widening our circle of compassion to embrace all living creatures and the whole of nature in its beauty. Nobody is able to achieve this completely, but the striving for such achievement is in itself a part of the liberation and a foundation for inner security. " --Albert Einstein
Reply With Quote