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 SEPTEMBER 19 & 20 - 2026, SUPPLIED BY K2HA
1. In what year did Hidetsugu Yagi and Shintaro Uda patent the directional antenna array known today as the Yagi?
A: 1963
B: 1952
C: 1939
D: 1926
2. Which digital signal processing (DSP) technique does the EchoLink software use to isolate and detect the specific frequency pairs of an incoming DTMF tone?
A: The Goertzel Algorithm
B: Fast Fourier Transform (FFT) Windowing
C: Phase-Locked Loop (PLL) Demodulation
D: Manchester Phase Encoding
3. Your POTA activation is going well, but you notice your 30-Ah LiFePO4 battery voltage is dropping. Which of the following would have extended your activation without your transceiver shutting down?
A: A bank of storage capacitors
B: A DC-to-DC power booster
C: A portable USB power pack
D: A battery regulator
4. According to biomechanical spine studies, how much approximate weight is exerted on the human neck vertebrae when viewing a cell phone screen at a 45-degree angle?
A: 10 to 19 pounds (4.54 to 8.62 kg)
B: 20 to 29 pounds (9.07 to 13.15 kg)
C: 30 to 39 pounds (13.61 to 17.69 kg)
D: 40 to 49 pounds (18.14 to 22.23 kg)
THE ANSWERS TO THE ABOVE QUESTIONS WILL BE POSTED HERE SHORTLY AFTER THE CONCLUSION OF THE SUNDAY RAGCHEW NET
LIVE QUESTIONS FOR SEPTEMBER 12 & 13 - 2026, SUPPLIED BY K2HA
1. What is the name of the component inside a vacuum tube that absorbs remaining gases to maintain a vacuum?
A: grabber
B: collector
C: condenser
D: getter
2. According to a widely cited global study, how many years over a lifetime will the average adult spend staring at screens (including smartphones, televisions, computers, tablets, and gaming consoles)?
A: 14
B: 24
C: 34
D: 44
Extra credit question: Which of these screens gets the highest percentage?
Cell Phones
3. What does the acronym DTMF stand for?
A: Direct Transfer Modulation Frames
B: Dual-Tone Multi-Frequency
C: Double Tone MUX Frames
D: Digitally Triggered Multi-Function
4. Zoomorphism is used to design digital interfaces for human interaction. What characterizes the zoomorphism technique?
A: Borrowing animal shapes, movements, or behaviors.
B: Tracking user eye movements using high-definition webcams.
C: Mirroring human facial expressions through digital avatars.
D: Scaling interface elements automatically based on screen size.