Ham Radio General Class Test HF Operating Procedures 4 — Questions and Answers
Question 1: What does it mean when an HF station sends 'QRM?'
- Is my transmission being interfered with? (Correct answer)
- Shall I decrease my power?
- Are you busy?
- Do you have a message for me?
Correct answer: Is my transmission being interfered with?
QRM refers to man-made interference, and QRM? asks 'Are you being interfered with?' or 'Is my signal being interfered with?'
Question 2: What is the recommended way for a General class operator to break into an ongoing HF QSO?
- Wait for a pause and say your callsign once (Correct answer)
- Transmit 'Break break' continuously until acknowledged
- Send three dits on CW to request the frequency
- Call the station you want to contact on a different frequency first
Correct answer: Wait for a pause and say your callsign once
The courteous way to break into a QSO is to wait for a pause between transmissions and then briefly say your callsign.
Question 3: What emission type is used for Radioteletype (RTTY) on HF?
- FSK (Frequency Shift Keying) (Correct answer)
- AM (Amplitude Modulation)
- FM (Frequency Modulation)
- SSB (Single Sideband)
Correct answer: FSK (Frequency Shift Keying)
RTTY uses Frequency Shift Keying (FSK), shifting between mark and space frequencies to represent binary data.
Question 4: What does 'QRP' operation mean in amateur radio?
- Operating with low power, typically 5 watts or less (Correct answer)
- Operating while mobile or portable
- Operating from a remote location via internet link
- Operating with a reduced antenna to limit interference
Correct answer: Operating with low power, typically 5 watts or less
QRP refers to low-power operation, conventionally 5 watts or less on HF.
Question 5: Which ITU region covers the United States for amateur radio band allocations?
- Region 2 (Correct answer)
- Region 1
- Region 3
- Region 4
Correct answer: Region 2
The United States is in ITU Region 2, which covers North and South America.
Question 6: What is a 'DXCC entity' in amateur radio?
- A separate political entity or geographic area eligible to count as a unique contact for the DXCC award (Correct answer)
- A country that has a reciprocal operating agreement with the United States
- Any station located more than 1,000 miles from the operator
- A station confirmed by at least 100 other amateurs via QSL card
Correct answer: A separate political entity or geographic area eligible to count as a unique contact for the DXCC award
A DXCC entity is a political or geographic entity recognized by ARRL that counts as a unique contact for the DX Century Club award.
Question 7: When a DX station says 'QSL via bureau,' what does this mean?
- Confirmation cards should be sent through the amateur radio QSL bureau system (Correct answer)
- The station will confirm contacts via email only
- The operator uses a bureau agent who charges a fee per QSL card
- The contact should be confirmed via the Logbook of The World only
Correct answer: Confirmation cards should be sent through the amateur radio QSL bureau system
QSL via bureau means the station exchanges confirmation cards through organized QSL bureau systems rather than direct mail.
Ham Radio General Class Test HF Operating Procedures 4
What does it mean when an HF station sends 'QRM?'