SCARS LIVE QUESTIONS

Come and join the fun.  Send us your pictures, riddles, or questions and have them added to our weekly trivia sessions. If interested please send your email including your submission to VOIP@SCARSVOIP.COM

LIVE QUESTIONS FOR SEPT 20 & SEPT 21, 2025 SUPPLIED BY K2HA

1, Which reason below is not true about the selection of the “@” symbol for email addresses?

A: because it always meant “at” going back to the Phoenician alphabet.

B: because it was very rarely used in modern communication.

C: because it was on the keyboard.

D: because it was not used in any names for people or computer programs.

2, Which of the following is an advantage when using single sideband as compared to other analog voice modes on the HF amateur bands?

A: Very high-fidelity voice modulation.

B: Less bandwidth used and higher power efficiency.

C: Less subject to static crashes (atmospherics).

D: Ease of tuning on receive and immunity to impulse noise.

3, Which of the following were instrumental in developing electronic television?

A: The iconoscope and the kinescope.

B: The development of a high-powered power supply.

C:  A spinning mirror-drum to transmit images to a cathode-ray tube (CRT).

D: The Elektrisches Telescop invented by Paul Nipkow in 1884.

4, An antenna which radiates equally in all 3-dimensional directions is termed:

A: an ionospheric antenna.

B: a ground-plane antenna.

C: an isotropic antenna.

D: a vertical half-wave dipole.

THE ANSWERS TO THE ABOVE QUESTIONS WILL BE POSTED HERE SHORTLY AFTER THE CONCLUSION OF THE SUNDAY RAGCHEW NET

LIVE QUESTIONS FOR SEPT 13 & SEPT 14, 2025 SUPPLIED BY K2HA

1, What does the “Wi” in Wi-Fi actually stand for?

A: Wireless

B: Wideband

C: Nothing

D: World internet

2, What would a PIN diode be most commonly used for?

A: A Variable Resistor at frequencies below 10 kHz

B: A Device for pinning a signal on a GPS map

C: A Mixer

D: A Transmit Receive Switch

3, Early communications inventor and theorist John R. Carson is known for which of the following concepts?

A: The Carson Detector and Demodulation System (CDDS)

B: The first reliable Coherer detector, known as the Carson Coherer

C: The Carson Bandwidth Rule for FM Bandwidth

D: The Carson-Williams Modulation scheme, commonly referred to as CW

4, Which of the following choices is the only ham band located in the MF spectrum?

A: 40 Meters

B: 160 Meters

C: 80 Meters

D: 60 Meters

THE ANSWERS TO THE ABOVE QUESTIONS ARE

1C, 2D, 3C AND 4B