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155 matching questions
Question #481Amateur Radio Regulations and Licensing
The frequencies those are designated with 'H' can be used
- during the day time
- in during the night time ✓ Correct answer
- intermittently
- 24 Hrs of a day 325.What will be the speed in wpm. when at message being transmitted contains 60 characters in a minute
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Question #482Amateur Radio Regulations and Licensing
R3E designates:
- Amplitude modulation :Telephony, voice
- Telephony, (voice) Frequency modulation
- Telephony, (voice) Single sideband , suppressed carrier ,
- Telephony (voice), single sideband, reduced carrier ✓ Correct answer
Explanation: R3E denotes single-sideband telephony with reduced carrier. The option text was cleaned of OCR spillover.
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Question #483Amateur Radio Regulations and Licensing
Transmission of a message shall be terminated by the signal in radiotelegraphy
- AR ✓ Correct answer
- BK
- VV
- CQ
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Question #484Amateur Radio Regulations and Licensing
The use of class B emissions (damped waves) is
- Allowed
- forbidden ✓ Correct answer
- At night time only
- At day time only 330.When are amateur stations permitted to handle third party messages?
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Question #485Amateur Radio Regulations and Licensing
The Corresponding Metric Subdivision for 3 to 30 MHz band is:
- Kilometric waves
- Hectometric waves
- Decametric waves ✓ Correct answer
- Metric waves e) Decimetric waves
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Question #487Amateur Radio Regulations and Licensing
If you transmit from another amateur's station, who is responsible for its proper operation?
- You, the operator
- Both of you ✓ Correct answer
- The station owner, unless the station records show that you were the operator at the time
- The station owner
Explanation: Both the control operator and the station licensee are responsible for proper operation of the station.
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Question #488Amateur Radio Regulations and Licensing
India is location in ITU Region:
- region 1
- region 2
- region 3 ✓ Correct answer
- region 4 342.What is the Standard International Phonetic for the letter G?
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Question #490Amateur Radio Regulations and Licensing
The maximum DC input to the final stage of an amateur HF transmitter, when the operator is the holder of General grade license is:
- 250 watts
- 400 watts ✓ Correct answer
- 500 watts
- 1500 watts
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Question #493Amateur Radio Regulations and Licensing
Grade II amateurs can communicate on 7 MHz in
- A1 ✓ Correct answer
- A3
- F3
- A3A
Explanation: A1 is the Morse telegraphy emission; this is the intended Grade II 7 MHz answer in the legacy syllabus.
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Question #494Amateur Radio Regulations and Licensing
A3E emission is
- DSB ✓ Correct answer
- SSB
- CW
- FSK
Explanation: A3E is double-sideband, full-carrier amplitude-modulated telephony (DSB).
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Question #495Amateur Radio Regulations and Licensing
Amateurs are required to preserve their log for a period of ---- from the date of last entry
- 1 year ✓ Correct answer
- 2 year
- 6 months
- permanently
Explanation: The 2024 rules require preservation for one year from the last log entry.
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Question #496Amateur Radio Regulations and Licensing
The callsign VU2VX is authorized to
- Gr I amateur ✓ Correct answer
- Gr II amateur
- Advanced amateur
- not authorized
Explanation: The VU2 prefix in this legacy call-sign classification corresponds to the Grade I category used in the question bank. Verify the historical licence mapping before using this item.
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Question #497Amateur Radio Regulations and Licensing
Test signals are not to be transmitted for more than
- 10 minutes
- 5 minutes
- 1 minute
- 30 seconds ✓ Correct answer
Explanation: The current 2024 Indian Amateur Services Rules limit test signals to 30 seconds; the option has been corrected to match the current rule.
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Question #587Amateur Radio Regulations and Licensing
All amateur stations, regardless of the mode of transmission used, must be equipped with
- a reliable means for determining the operating radio frequency ✓ Correct answer
- a dummy antenna
- an over modulation indicating device
- a DC power meter
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Question #588Amateur Radio Regulations and Licensing
You identify your amateur station by transmitting your
- "handle"
- call sign ✓ Correct answer
- first name and your location
- full name
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Question #589Amateur Radio Regulations and Licensing
Which Call sign holders are allowed to make contact via Ham Satellite.
- vu2xxx ✓ Correct answer
- vu3xxx
- Both a & b
- None
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Question #591Amateur Radio Regulations and Licensing
What is the “Q” signal used to indicate that you are receiving interference‘ from other stations?
- QRM ✓ Correct answer
- QRN
- QTH
- QSB
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Question #592Amateur Radio Regulations and Licensing
What is the term used to describe an amateur station that is transmitting and receiving on the same frequency?
- Full duplex communication
- Diplex communication
- Simplex communication ✓ Correct answer
- Half duplex communication
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Question #593Amateur Radio Regulations and Licensing
What is the allowed repeater frequency offset in the 2 meter band?
- Plus 500 kHz
- Plus or minus 600 kHz ✓ Correct answer
- Minus 500 kHz
- Only plus 600 kHz
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Question #594Amateur Radio Regulations and Licensing
When the Amateur Service is a secondary user of a band and another service is the primary user, this means
- nothing at all, all users have equal rights to operate
- amateurs may only use the band during emergencies
- the band may be used by amateurs provided they do not cause harmful interference to primary users ✓ Correct answer
- you may increase transmitter power to overcome any interference caused by primary users
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