Roosdiarto Rooskandar, ST., YF1CRR Weblog
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Solve Conflicts With Dialogue. Peace Brings Prosperity. Let Us Conserve Natural Environments for Our Future.
Friday, December 27, 2013
YB4IR/8 & YF1AR/8 New Indonesia IOTA Activation OC-272 Kisar Island
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Tuesday, December 17, 2013
Using CW Player Free Software to Train Your Morse Code Reception
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Saturday, December 14, 2013
My Small Power VHF FM Transmitter Design
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