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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Jeff ko7m
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