Login or Register for FREE!
Login or Register for FREE!
Subel. A
6 questions
Subelement A

VHF-DSC Equipment & Operation:

Section 1

Frequency and Bandwidth:

What are the correct VHF Channels and Frequencies for Calling/Distress, DSC and bridge-to-bridge operations?

  • Correct Answer
    Ch-16, 156.800 MHz, Ch-70, 156.525 MHz and Ch-13, 156.650 MHz.
  • Ch-06, 156.300 MHz, Ch-16, 156.800 MHz and Ch-13, 156.650 MHz.
  • Ch-08, 156.400 MHz, Ch-70, 156.525 MHz and Ch-16, 156.800 MHz.
  • Ch-06, 156.300 MHz, Ch-12, 156.600 MHz and Ch-13, 156.650 MHz.
This question does not yet have an explanation! Register to add one

Tags: none

What is the frequency separation between Transmit and Receive frequencies on a duplex channel?

  • 2.8 MHz
  • Correct Answer
    4.6 MHz
  • 6.4 MHz
  • 10.7 MHz
This question does not yet have an explanation! Register to add one

Tags: none

What is the assigned channel spacing for VHF channels?

  • 10 kHz
  • 15 kHz
  • Correct Answer
    25 kHz
  • 50 kHz
This question does not yet have an explanation! Register to add one

Tags: none

What is the allowed frequency tolerance for the DSC carrier frequencies?

  • 10 Hz
  • 20 Hz
  • 5 ppm
  • Correct Answer
    10 ppm
This question does not yet have an explanation! Register to add one

Tags: none

Using a frequency counter with an accuracy of 2 ppm — which of the following are within legal tolerance for the frequencies of 156.800 MHz and 156.525 MHz?

  • Correct Answer
    156,798.758 kHz and 156.526.243 kHz.
  • 156,798.735 kHz and 156,526.258 kHz.
  • 156,801.567 kHz and 156,526.476 kHz.
  • 156,798.635 kHz and 156,523.352 kHz

Silly Study Tip:

The correct answer has typo with two decimals in the second frequency.

Last edited by kd7bbc. Register to edit

Tags: none

Using a frequency counter with an accuracy of 5 ppm — which of the following are within legal tolerance for the frequencies of 156.875 MHz and 157.200?

  • 156,873.562 kHz and 157,198.264 kHz.
  • Correct Answer
    156,875.774 kHz and 157.199.321 kHz.
  • 156,876.562 kHz and 157,201.355 kHz.
  • 156,873.336 kHz and 157,201.570 kHz.

Silly Study Tip: The correct answer has typo with two decimals in the second frequency.

Last edited by justinlb28. Register to edit

Tags: none

Go to 2
HamStudy.org™ is copyright 2024 Signal Stuff™, All rights reserved.
View Privacy Policy    |    Get help with HamStudy.org™