Amateur Radio
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WPrecht's user avatar
WPrecht's user avatar
WPrecht
  • Member for 10 years, 5 months
  • Last seen more than 2 years ago
Profile Activity

100 Answers

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27 votes
Accepted

How does a mag mount antenna achieve a ground plane?

27 votes
Accepted

What makes a 5/8 wavelength vertical desirable?

19 votes
Accepted

What information should be on a QSL card?

17 votes

What is the peak voltage at the tips of a dipole antenna?

15 votes
Accepted

What is the body of knowledge the U.S. written exams test?

13 votes

How can RF exposure hurt you?

12 votes
Accepted

How is the IF for a superhet selected?

12 votes
Accepted

Why do some DX listen on a different frequency than they transmit on?

12 votes
Accepted

What makes cellphone transmissions so energy cheap?

10 votes
Accepted

What is a "random wire antenna"?

9 votes

How do I maintain my frequency during a contest?

9 votes
Accepted

CW on phone band

9 votes
Accepted

What should be the modulation when transmitting APRS signal?

8 votes

Why is the electric field orthogonal to the magnetic field from an antenna?

8 votes

How do I find a frequency to call CQ on during a contest?

8 votes

Home-brew 10 meter walkie talkies?

8 votes

Can I transmit anything inside a Faraday cage?

8 votes

How can I add amplitude modulation to this transmitter?

8 votes

Why do folded dipoles have greater bandwidth than ordinary resonant dipoles?

8 votes
Accepted

Is a vertical noisier than a dipole, and if so, why?

8 votes
Accepted

Where on the web can I find a calendar of upcoming contests?

7 votes
Accepted

What is the best practice when tuning an antenna on air?

7 votes
Accepted

Noise bridge use in antenna construction?

7 votes
Accepted

AM vs SSB weak signal

6 votes
Accepted

Choosing simplex frequency as a technician

6 votes

Is it ethical to accept sponsorship for QSL cards?

6 votes

During a radio contest, how do I determine if a station is "too faint" to be worth trying to contact?

6 votes
Accepted

Buddipole model comparison

5 votes

Mobile phone models that contain 2 way radio functionality

5 votes
Accepted

Tuning an antenna with a SWR meter that relies on output power

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