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E2E - Operating Procedures

Extra Class

Digital operations: HF digital modes, networking, APRS, mesh networks

13 questions

All E0A E1A E1B E1C E1D E1E E1F E2A E2B E2C E2D E2E E3A E3B E3C E4A E4B E4C E4D E4E E5A E5B E5C E5D E6A E6B E6C E6D E6E E6F E7A E7B E7C E7D E7E E7F E7G E7H E8A E8B E8C E8D E9A E9B E9C E9D E9E E9F E9G E9H
E2E01

Which of the following types of modulation is used for data emissions below 30 MHz?
E2E02

Which of the following synchronizes WSJT-X digital mode transmit/receive timing?
E2E03

To what does the "4" in FT4 refer?
E2E04

Which of the following is characteristic of the FST4 mode?
E2E05

Which of these digital modes does not support keyboard-to-keyboard operation?
E2E06

What is the length of an FT8 transmission cycle?
E2E07

How does Q65 differ from JT65?
E2E08

Which of the following HF digital modes can be used to transfer binary files?
E2E09

Which of the following HF digital modes uses variable-length character coding?
E2E10

Which of these digital modes has the narrowest bandwidth?
E2E11

What is the difference between direct FSK and audio FSK?
E2E12

How do ALE stations establish contact?
E2E13

Which of these digital modes has the highest data throughput under clear communication conditions?