KO7M - Ham Radio Blog

The ramblings of one home-brew electronics, firmware engineer and pilot.

Monday, February 3, 2014

SWL tonight

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Listening to AM broadcast band tonight and am hearing Canadian stations, quite strongly.  31 and 49 metre bands are quite active this evenin...
Friday, September 20, 2013

Fun with diodes...

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Been playing around with crystal radios lately.  I have a loose coupled radio that consists of a pre-selector tuned circuit, a detector with...
Saturday, August 24, 2013

What do you get...

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...when you combine a dog bumper launcher... ...with a 22 caliber blank cartridge loaded in the handle of this rather innocuous looking...
1 comment:
Monday, August 19, 2013

Time for a new antenna

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I have been getting the itch to try out a horizontal loop antenna for some time now.  At the recent Salmoncon event, Eldon - WA0UWH put up a...
2 comments:
Monday, June 24, 2013

Checking in...

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Been a long time since I have been blogging at all.  Happy to say it is because I have been very busy with the new job and getting settled i...
Sunday, May 5, 2013

Blogging from Raspberry Pi

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It is a beautiful sunny warm summer day in Seattle.  Been out this morning enjoying the sun and running errands.  I have fired up the Raspbe...
Sunday, March 24, 2013

Ham Radio Presentation, Raspberry Pi and WSPR

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Hello out there.  It seems that I have slowed down sufficiently on the job search to play a little this afternoon with radio related stuff. ...
Sunday, January 20, 2013

More time on my hands...

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Well, it seems I will be having more time to melt solder and sort things out in my shack as I recently lost my job due to reductions in forc...
Saturday, November 10, 2012

Receiver Deafness

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We seem to have a broken connection to the antenna jack...  :(
Saturday, October 13, 2012

Receiver deafness

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Hmmm...  Anyone see a problem here? Bogus...
2 comments:
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Jeff ko7m
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