Saturday, March 17, 2007

Tinkering With That Darn Oscillator

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It appears the high harmonic output is generated by the last MMIC amp.  Not sure why unless it is sensitive to the impedance seen by the i...
Thursday, March 15, 2007

Oscillator Oven

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I have been working on a few oscillators for a radio project.  The test oscillator is crystal controlled on a carrier frequency of 104.727...
Sunday, January 15, 2006

Memory Test For PCs

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My domain controller started to blue screen today. This is an old box so my first thought was the old hard drive was failing. At time it act...

Windows Update Service

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What a pain for something that should be simple. I have a lab of six systems. About half I can't get WUS to run. I found the following s...
Wednesday, January 11, 2006

Not around much

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Well, I sure have not used the blog much have I? Just get busy doing other things and first you know a year has gone by. Judging by the nu...
Tuesday, October 19, 2004

Interference Update

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Still wet from drizzle and no noise. That suprises me because I would think the nightguard noise would be coming from the electric eye. I w...
Monday, October 18, 2004

Interference Update

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Tonight it is raining. No noise from the nightguard.
Sunday, October 17, 2004

BPL (broadband over powerline) again

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The local TV station ran a news story last Friday about the FCC approving BPL. Everyone thinks BPL is so great but the general public does ...

Interference Update

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The noise is back from the NightGuard light. The noise does not appear to extend down into HF. It stops around 28 MHz. Can't tell the up...
Thursday, October 07, 2004

VHF Interference - Thursday

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This morning the noise was gone after sunrise. I did not have the receiver on prior to sunrise so I don't know exactly when it went away...
Wednesday, October 06, 2004

VHF Interference

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I have been lucky that I have had little so called "power line" interference in the years I have been in ham radio. As a little ba...
Sunday, September 26, 2004

10-Meter Beacons

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10-Meter Beacons I keep forgetting about the beacons on 10-meters. Now that the solar cycle is winding down the 10-meter band will not ...
Saturday, September 25, 2004

More News on BPL

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BPL (Broadband over powerlines) is a terrible technology that we must stop at all costs. Yes the idea of using powerlines (which are everywh...
Wednesday, September 22, 2004

Dayton weather from my weather station

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Current Weather Conditions at Dayton, Ohio Using the Davis weather station to feed data into my web server. The graphics are from the D...

Rollout of HDTV

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Read this first: http://wired.com/news/politics/0,1283,65041,00.html Politicians have no understanding of radio frequency related matte...
Sunday, September 19, 2004

Getting Started

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Once again time has not been on my side. I set this blog up a while back and just now getting started. I am amazed by how some people appear...