natevw - AF7TB
  • Member for 7 years, 6 months
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3 answers
24 votes
40k views
9 bookmarks
Why are some 1:1 current baluns twice as complicated as others?
4 answers
11 votes
1k views
How does VHF/UHF propagate beyond the expected (radio) horizon?
3 answers
11 votes
4k views
1 bookmarks
Why does "high SWR" damage transmitters, instead of "impedance mismatch"?
1 answers
10 votes
292 views
What is emissions designator "E" when used as a type of modulation?
1 answers
10 votes
2k views
2 bookmarks
What's the difference between "maximum usable" and "critical" frequencies?
5 answers
9 votes
794 views
1 bookmarks
What limits a PIN diode or varicap from being used in a "Software Defined [Radio] Filter"?
2 answers
9 votes
1k views
Who enacts the FCC's rules and regulations?
5 answers
9 votes
2k views
Why do some straight keys have a slider that shorts the contacts continuously?
4 answers
9 votes
2k views
What did it mean to "align" a radio?
1 answers
9 votes
609 views
What changes are being made to the Technician question pool in 2018?
1 answers
9 votes
1k views
What's this "crossover" toroid winding called and what is its purpose?
5 answers
8 votes
5k views
1 bookmarks
Should I learn morse at "both" speeds?
1 answers
8 votes
233 views
Why are radio frequency ranges aligned on multiples of 3?
3 answers
8 votes
2k views
What exactly is a "balanced modulator"?
2 answers
8 votes
3k views
1 bookmarks
Why isn't twisted pair used for feedlines?
1 answers
7 votes
161 views
What exactly was a decremeter and how did they work?
7 answers
7 votes
8k views
What is the attraction of vertical antennas for HF?
1 answers
7 votes
165 views
2 bookmarks
Is there a practical way for hams to participate in cellular-related technology advances?
2 answers
7 votes
630 views
1 bookmarks
How to calculate if low-pass filtering is sufficient?
2 answers
6 votes
3k views
1 bookmarks
How to measure a balun for effectiveness?
4 answers
6 votes
547 views
1 bookmarks
How can quadrature mixing adjust the phase of all frequencies by the same amount? Can it be done in the digital domain?
2 answers
6 votes
84 views
Can an ultra-wideband system transfer data at high speed without precise clock synchronization?
2 answers
6 votes
1k views
How does rpitx generate arbitrary SSB data with a clock peripheral?
3 answers
6 votes
6k views
How should this SWR meter's directional coupler work?
2 answers
6 votes
1k views
1 bookmarks
What "test transmissions" are allowed above 51MHz?
2 answers
6 votes
3k views
1 bookmarks
Understanding coax radiation and "current on the shield"
1 answers
5 votes
409 views
How does this W6NBC "derivative of the classical slot antenna" work?
2 answers
5 votes
3k views
How to find or derive the maximum safe input power to a receiver?
1 answers
5 votes
914 views
What happens to the "Yo-Yo Tenna" when you coil up its ends for use on higher frequencies?
1 answers
5 votes
456 views
What would be the typical received power of an "S9" signal?