KO7M - Ham Radio Blog
The ramblings of one home-brew electronics, firmware engineer and pilot.
Tuesday, January 31, 2012
Propeller Beacon Update
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I have taken the baseline beacons that I have created for QRSS, WSPR and Opera and put them together into a single beacon. WSPR is on a 10...
Randomizing WSPR TX Percent - revisited
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After 12 hours or so of experiencing my recent changes to how often my WSPR beacon transmits, I have decided that I am not happy with the re...
Microscope for the bench
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I have fought long and hard, mostly with my own pride and have finally admitted to myself that my eyesight is not what it once was. The fir...
3 comments:
Randomizing WSPR TX Percent
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My propeller WSPR beacon so far has implemented TX Percent as a constant. For example if you set TXPercent to 20% (0.20) then it will trans...
Monday, January 30, 2012
First WSPR spot on Propeller Board - barefoot
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Well, I got my first WSPR spot on my propeller beacon today from VE6PDQ. It seems there is someone listening out there to my little peanut-...
Saturday, January 28, 2012
Flying diversion
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Flew up to Friday Harbor on San Juan Island yesterday in a Columbia 400, otherwise known as a Cessna 400 Corvalis. Specifications (Cessna ...
Friday, January 27, 2012
New Propeller Toys
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I have obtained a touch panel LCD display for my Propeller board. I am using a modification of the TV object to display text output for de...
2 comments:
Wednesday, January 25, 2012
7x14 Hellschreiber Glyphs
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I noticed that Mark Vandewettering, K6HX over at brainwagon.org recently posted an arduino Hellschreiber bit of code and decided to adapt ...
Tuesday, January 24, 2012
Propeller Beacon Power Consumption
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I decided to take a look at power consumption during RF generation on the Propeller device. I have a power monitoring device that logs curr...
Monday, January 23, 2012
WSPR Spots
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Well, my experience in running 7 dBm WSPR beacons thus far according to http://wsprnet.org has been far from stellar... Spot Database ...
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