Amateur Radio
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uhoh
  • Member for 7 years
  • Last seen this week
  • Taipei, Earth
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About

David the expat sez: "Stack Exchange Rocks!" so, let Stack Exchange be Stack Exchange.

My goal is to spend less time in my "...snow white cube containing only the bare necessities, a computer, and a large library of treatises, maps, and precise scale models*."

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Top posts
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All Questions Answers
Score Newest
question
8
How to renew an expired US license as an expat?
Jun 18, 2017
question
5
Looking for a book that contained a circuit for receiving (literally) underground amateur radio transmissions
Mar 1, 2020
question
4
What kind of loop antenna is this, and what is the relationship between its diameter and wavelength?
Nov 12, 2019
question
4
Could UHF Earth-Satellite-Earth bouncing of signals off of this large metallized foil satellite be feasible?
Jul 16, 2017
question
4
What was the first QSO by an astronaut? Was it code or voice?
Aug 10
answer
4
Phased array (rx only) with separate complete receivers
Aug 31, 2021
question
3
Can WSPR really track commercial aircraft? Has the veracity of this proposed technique been convincingly demonstrated?
Feb 20, 2022
question
3
Does the Yaesu FT-897D have a BIOS/firmware in FLASH memory that could get corrupted 15 years in storage? Is there a re-install procedure?
Mar 15
question
3
Current rules in Taiwan for operating licensed stations, bringing in personal equipment?
May 28, 2018
question
3
How does an E-Z-O Antenna work and why does it appear in Wikipedia's article on quad antennas?
Feb 27, 2019
Top network posts
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162
How did the Apollo computers evaluate transcendental functions like sine, arctangent, log?
118
What makes Ada the language of choice for the ISS's safety-critical systems?
102
If a massive object like Jupiter flew past the Earth how close would it need to come to pull people off of the surface?
100
What aspects of image preparation workflows can lead to accidents like Boris Johnson's No. 10 tweet's 'hidden message'?
96
Are there any satellites in geosynchronous but not geostationary orbits?

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