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মোবাইল মেনু

by Callsign

হ্যাম রেডিও নোটিস

এই সাইটটি বিনামূল্যে হ্যাম রেডিও আগ্রহী বন্ধুদের জন্য প্রস্তুত করা হয়েছে। আবেদন, টেলিটক ফি, ইত্যাদি সম্পকৃর্ত যে কোন সাহায্যে আমাদের হোয়াটসঅ্যাপ গ্রুপে নক দিবেন। আমাদের সার্পোট টিম আপনাকে সাথে সাথে সাহায্য করবে। হ্যাম রেডিও হউক সকলের জন্য উন্মুক্ত!

Countdown Timer

Application Last Date 17-04-2025 - 5.00PM

MCQ - Question Bank

You have 30 seconds per question.

Give your answer quickly.

Ham Radio Exam- Practices

Question Bank-2025-1

1 / 100

A) What segment of the 80 meter band is most commonly used for data transmissions?

A) 3570 - 3600 kHz

B) 3500 - 3525 kHz

C) 3775 - 3825 kHz

D) 3700 - 3750 kHz

2 / 100

B) What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 6 and 2 meter bands?

A) 1200 baud

B) 56 kilobaud

C) 19.6 kilobaud

D) 300 baud

3 / 100

C) With which of the following conditions must beacon stations comply?

A) The frequency must be posted on the Internet or published in a national periodical

B) There must be no more than one beacon signal in the same band from a single location

C) Identification must be in Morse Code

D) The frequency must be coordinated with the National Beacon Organization

4 / 100

D) What must you do if, when operating on either the 30 or 60 meter bands, a station in the primary service interferes with your contact?

A) Increase your transmitter's power to overcome the interference

B) Stop transmitting at once and/or move to a clear frequency

C) Attempt to contact the station and request that it stop the interference

D) Notify the BTRC's spectrum management department of the interference

5 / 100

E) What is the maximum transmitting power a General class licensee may use when operating between 7025 and 7125 kHz?

A) 2000 watts PEP output

B) 200 watts PEP output

C) 1000 watts PEP output

D) 1500 watts PEP output

6 / 100

F) Who may be the control operator of an amateur station transmitting in assisting emergency relief operations during a disaster?

A) Only official emergency stations may transmit during a disaster

B) Only a person holding an BTRC issued amateur operator license

C) Any control operator when normal communication systems are operational

D) Only a RACES net control operator

7 / 100

G) Which of the following would disqualify a third party from participating in stating a message over an amateur station?

A) The third party is a person previously licensed in the amateur service whose license had been revoked

B) The third party is speaking in a language other than English, French, or Spanish

C) The third party is not a Bangladeshi citizen

D) The third party is a licensed amateur

8 / 100

H) Which of the following frequencies is in the General Class portion of the 40 meter band?

A) 40.500 MHz

B) 7.150 MHz

C) 40.200 MHz

D) 7.500 MHz

9 / 100

I) What should you do if you notice increasing interference from other activity on a frequency you are using?

A) Turn on your amplifier

B) Tell the interfering stations to change frequency since you were there first

C) Move your contact to another frequency

D) Report the interference to your local Amateur Auxiliary Coordinator

10 / 100

J) When normal communications systems are not available, what means may an amateur station use to provide essential communications when there is an immediate threat to the safety of human life or the protection of property?

A) Only transmissions sent on internationally recognized emergency channels

B) Any means of radio communication at its disposal

C) Any means, but only on to RACES recognized emergency stations

D) Only those means of radio communication for which the station is licensed

11 / 100

K) Which of the following describes Baudot RTTY?

A) Two major operating modes are SELCAL and LISTEN

B) 5-bit code, with additional start and stop bits

C) Utilizes error detection and correction

D) 7-bit code, with start, stop and parity bits

12 / 100

L) When are you prohibited from helping a station in distress?

A) When the station in distress offers no call sign

B) When that station is not transmitting on amateur frequencies

C) You are never prohibited from helping any station in distress

D) When the station is not another amateur station

13 / 100

M) What are the objectives of the Amateur Auxiliary?

A) To encourage amateur self-regulation and compliance with the rules

B) To conduct efficient and orderly amateur licensing examinations

C) To coordinate repeaters for efficient and orderly spectrum usage

D) To provide emergency and public safety communications

14 / 100

N) What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?

A) Immediately cease all transmissions

B) Continue your communication because you were on frequency first

C) Change to a different frequency

D) Acknowledge the station in distress and determine what assistance may be needed

15 / 100

O) Which sideband is most commonly used for phone communications on the bands above 20 meters?

A) Upper Sideband

B) Double Sideband

C) Vestigial Sideband

D) Lower Sideband

16 / 100

P) What is the most common frequency shift for RTTY emissions in the amateur HF bands?

A) 425 Hz

B) 170 Hz

C) 85 Hz

D) 850 Hz

17 / 100

Q) What should you do to comply with good amateur practice when choosing a frequency for radio teletype (RTTY) operation?

A) Call CQ in Morse code before attempting to establish a contact in RTTY

B) Select a frequency in the lower end of the phone band

C) Follow generally accepted band plans for RTTY operation

D) Select a frequency in the upper end of the phone band

18 / 100

R) What is the Amateur Auxiliary to the BTRC?

A) Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency

B) Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations

C) Amateur volunteers who conduct frequency coordination for amateur VHF repeaters

D) Amateur volunteers who conduct amateur licensing examinations

19 / 100

S) How does the BTRC require an amateur station to be operated in all respects not covered by the rules?

A) In conformance with the rules of the IARU

B) In conformance with amateur radio custom

C) In conformance with good engineering and good amateur practice

D) All of these answers are correct

20 / 100

T) When is an amateur station permitted to transmit secret codes?

A) During a declared communications emergency

B) To control a space station

C) Only with Special Temporary Authorization from the BTRC

D) Only when the information is of a routine, personal nature

21 / 100

U) Which mode should be selected when using a SSB transmitter with an Audio Frequency Shift Keying (AFSK) RTTY signal?

A) LSB

B) USB

C) DSB

D) CW

22 / 100

V) What is the standard repeater shifting in UHF band?

A) 600 KHz

B) 900 KHz

C) 1 MHz

D) 5 MHz

23 / 100

W) Which of the following is a purpose of a beacon station as identified in the Amateur Rules?

A) Automatic Identification of Repeaters

B) Observation of propagation and reception, or other related activities

C) Identifying Net Frequencies

D) Transmission of bulletins of General interest to amateur radio licensees

24 / 100

X) What is the maximum symbol rate permitted for RTTY emissions transmitted on frequency bands below 28 MHz?

A) 1200 baud

B) 19.6 kilobaud

C) 300 baud

D) 56 kilobaud

25 / 100

Y) When may music be transmitted by an amateur station?

A) When it is an incidental part of a space shuttle or ISS retransmission

B) When it is transmitted on frequencies above 1215 MHz

C) At any time, as long as it produces no spurious emissions

D) When it is unintentionally transmitted from the background at the transmitter

26 / 100

Z) When may a 10 meter repeater retransmit the 2 meter signal from a station having a Intermediate Class control operator?

A) Under no circumstances

B) Only during an BTRC-declared General state of communications emergency

C) Only if the 10 meter control operator holds at least a General class license

D) Only if the station on 10 meters is operating under a Special Temporary Authorization allowing such retransmission

27 / 100

AA) Which of the following statements is true of single sideband (SSB) voice mode?

A) It reproduces upper frequencies more efficiently than lower frequencies

B) It is a form of amplitude modulation in which one sideband and the carrier are suppressed

C) It is a form of frequency modulation in which higher frequencies are emphasized

D) It is the only voice mode authorized on the HF bands between 14 and 30 MHz 50.

28 / 100

AB) What is the maximum transmitting power an amateur station may use on the 12 meter band for General class?

A) Effective radiated power equivalent to 50 watts from a half wave dipole

B) b. 200 watts PEP output

C) 1500 PEP output, except for 200 watts PEP output in the novice portion

D) 1000 watts PEP output

29 / 100

AC) What is the most useful type of map to use when orienting a directional HF antenna toward a distant station?

A) Stereographic projection

B) Polar projection

C) Mercator projection

D) Azimuthal projection

30 / 100

AD) What minimum frequency separation between SSB signals should be allowed to minimize interference?

A) Approximately 3 kHz

B) Approximately 10 kHz

C) Between 150 and 500 Hz

D) Approximately 6 kHz

31 / 100

AE) What is the recommended way to break into a conversation when using phone?

A) Say "QRZ" several times followed by your call sign

B) Say your call sign during a break between transmissions from the other stations

C) Say "CQ" followed by the call sign of either station

D) Say "Break" "Break" "Break" and wait for a response

32 / 100

AF) Which of the following statements is true of VOX operation?

A) Frequency spectrum is conserved

B) The duty cycle of the transmitter is reduced

C) VOX allows "hands free" operation

D) The received signal is more natural sounding

33 / 100

AG) What does the expression "CQ DX" usually indicates?

A) A general call for any station

B) This is a form of distress call

C) The caller is looking for any station outside their own country

D) The caller is listening for a station in Germany

34 / 100

AH) Which of the following is an advantage when using single sideband as compared to other voice modes on the HF amateur bands?

A) Very high fidelity voice modulation

B) Less bandwidth used and high power efficiency

C) Less subject to static crashes (atmospherics)

D) Ease of tuning on receive

35 / 100

AI) What part of a data packet contains the routing and handling information?

A) Header

B) Preamble

C) Directory

D) Footer

36 / 100

AJ) Which of the following 20 meter band segments is most often used for most data transmissions?

A) 14.150 - 14.225 MHz

B) 14.275 - 14.350 MHz

C) 14.000 - 14.050 MHz

D) 14.070 - 14.100 MHz

37 / 100

AK) Why do most amateur stations use lower sideband on the 160, 75 and 40 meter bands?

A) Because it is fully compatible with an AM detector

B) The lower sideband is more efficient at these frequency bands

C) Current amateur practice is to use lower sideband on these frequency bands

D) The lower sideband is the only sideband legal on these frequency bands

38 / 100

AL) What kind of amateur station simultaneously retransmits the signals of other stations on another channel?

A) Telecommmand Station

B) Relay Station

C) Repeater Station

D) Beacon Station

39 / 100

AM) What minimum frequency separation between CW signals should be allowed to minimize interference?

A) 5 to 50 Hz

B) 150 to 500 Hz

C) 3 to 6 kHz

D) 1 to 3 kHz

40 / 100

AN) With which of the following is third-party traffic prohibited, except for messages directly involving emergencies or disaster relief communications?

A) Countries in ITU Region 2

B) Countries in ITU Region 1

C) Any country which is not a member of the Internal Amateur Radio Union (IARU)

D) Any country other than the United States, unless there is a third-party agreement in effect with that country

41 / 100

AO) What is QRP operation?

A) Transmission using Quick Response Protocol

B) Remote Piloted Model control

C) Low power transmit operation, typically about 5 watts

D) Traffic Relay Procedure net operation

42 / 100

AP) When is an amateur station prevented from using any means at its disposal to assist another station in distress?

A) Never

B) Only on authorized HF frequencies

C) Only when transmitting in RACES

D) Only when authorized by the BTRC rule

43 / 100

AQ) Antenna pointed when making a long-path contact with another station?

A) Along the Gray Line

B) 180 degrees from its short-path heading

C) Toward the North

D) Toward the rising sun

44 / 100

AR) Frequencies may be used by an amateur station to obtain assistance when in distress?

A) Only frequencies in the 80 meter band

B) Only frequencies in the 40 meter band

C) Any frequency authorized to the control operator

D) Any United Nations approved frequency

45 / 100

AS) What minimum frequency separation between 170 Hz shift RTTY signals should be allowed to minimize interference?

A) 250 to 500 Hz

B) Approximately 3 kHz

C) 170 Hz

D) 60 Hz

46 / 100

AT) Which of the following frequencies is within the General class portion of the 75 meter phone band?

A) 4005 kHz

B) 1875 kHz

C) 3750 kHz

D) 3900 kHz

47 / 100

AU) What does the abbreviation "MFSK" stand for?

A) Multi (or Multiple) Frequency Shift Keying

B) Multi (or Multiple) Frequency Sideband Keying

C) Multi (or Multiple) Frequency Sideband Keying

D) Manual Frequency Sideband Keying

48 / 100

AV) What is the main difference between HF and VHF band?

A) HF band means ( 30 - 300 ) MHz and VHF band means ( 3 - 30 ) MHz

B) HF band means ( 3 - 30 ) MHz and VHF band means ( 30 - 300 ) MHz

C) HF band means ( 300 - 3000 ) MHz and VHF band means ( 3 - 30 ) MHz

D) HF band means ( 3 - 30 ) MHz and VHF band means ( 300 - 3000 ) MHz

49 / 100

AW) Which of the following user adjustable controls are usually associated with VOX circuitry?

A) VOX Sensitivity

B) Anti-VOX

C) All of these choices are correct

D) VOX Delay

50 / 100

AX) What is a practical way to avoid harmful interference when calling CQ using Morse code or CW?

A) Send "QRL? de [your callsign]" and listen for a response

B) Send the letter "V" 12 times and then listen for a response

C) Keep your CQ to less than 2 minutes in length to avoid interference with contacts already in progress

D) Call CQ at low power first; if there is no indication of interference then increase power as necessary

51 / 100

AY) Which of the following conditions require an amateur radio station to take specific steps to avoid harmful interference to other users

A) When using a band where the amateur service is secondary

B) All of these answers are correct

C) When operating within one mile of an BTRC Monitoring Station

D) When a station is transmitting spread spectrum emissions

52 / 100

AZ) Which of the following is prohibited by the BTRC Rules for amateur radio stations?

A) Transmission of music as the primary program material during a contact

B) All of these answers are correct

C) Transmission of false or deceptive messages or signals

D) The use of obscene or indecent words

53 / 100

BA) When a General Class licensee is not permitted to use the entire voice portion of a particular band, which portion of the voice segment is generally available to them?

A) The upper end on frequencies below 7.3 MHz and the lower end on frequencies above 14.150 MHz

B) The lower end

C) The upper end

D) The lower end on frequencies below 7.3 MHz and the upper end on frequencies above 14.150 MHz

54 / 100

BB) Which of the following is a permissible third party communication during routine amateur radio operations?

A) Sending a business message for another person, as long as the control operator has no pecuniary interest in the message

B) Permitting an unlicensed person to speak to a licensed amateur anywhere in the world

C) Sending a business message for another person, as long it is for a non-profit organization

D) Sending a message to a third party through a foreign station, as long as that person is a licensed amateur radio operator

55 / 100

BC) Which mode of voice communication is most commonly used on the High Frequency Amateur bands?

A) FM

B) SSB

C) PM

D) AM

56 / 100

BD) What is the maximum transmitting power an amateur station may use on 1825 kHz for General class?

A) 1500 watts PEP output

B) 200 watts PEP output

C) 1200 watts PEP output

D) 1000 watts PEP output

57 / 100

BE) Which amateur band is shared with the Citizens Radio Service?

A) None

B) 11 meters

C) 10 meters

D) 12 meters

58 / 100

BF) What is the standard repeater shifting in VHF band?

A) 1 MHz

B) 600 KHz

C) 5 MHz

D) 900 KHz

59 / 100

BG) Which emission mode must be used to obtain assistance during a disaster?

A) Only SSB and CW

B) Any mode

C) Only CW

D) Only SSB

60 / 100

BH) What type of transmissions may an amateur station make during a disaster?

A) Only transmissions when RACES net is activated

B) Only transmissions from an official emergency station

C) Only one-way communications

D) Transmissions necessary to meet essential communications needs and to facilitate relief actions

61 / 100

BI) Which mode is most commonly used for voice communications on the 17 and 12 meter bands?

A) Double Sideband

B) Upper Sideband**

C) Lower Sideband

D) Vestigial Sideband

62 / 100

BJ) What information should be given to a station answering a distress transmission?

A) The ITU region and grid square locator of the emergency

B) The time that the emergency occurred and the local weather

C) The location and nature of the emergency**

D) The name of the local emergency coordinator

63 / 100

BK) Which of the following information must a licensee retain as part of their station records?

A) Antenna gain calculations or manufacturer's data for antennas used on 60 meters

B) The call sign of other amateurs operating your station

C) A record of all contacts made with stations in foreign countries

D) A copy of all third party messages sent through your station

64 / 100

BL) Which of the following frequencies is in the 12 meter band?

A) 3.940 MHz

B) 17.940 MHz

C) 24.940 MHz

D) 12.940 MHz

65 / 100

BM) What is a major advantage of MFSK16 compared to other digital modes?

A) It has built-in error correction

B) It offers good performance in weak signal environment without error correction

C) It is much narrower bandwidth than most digital modes

D) It is much higher speed than RTTY

66 / 100

BN) Which of the following frequencies is within the General Class portion of the 20 meter phone band?

A) 14405 kHz

B) 14105 kHz

C) 14005 kHz

D) 14305 kHz

67 / 100

BO) What is the maximum bandwidth permitted by BTRC rules for amateur radio stations when operating on USB frequencies in the 60-meter band?

A) +/-2.8 kHz

B) 3 kHz

C) 2.8 kHz

D) 5.6 kHz

68 / 100

BP) Where PSK signals are generally found on the 20 meter band?

A) In the weak signal portion of the band

B) In the high end of the phone band

C) In the low end of the phone band

D) Around 14.070 MHz

69 / 100

BQ) What should be done if a net is about to begin on a frequency you and another station are using?

A) Tell the net that they must to move to another frequency

B) Move to a different frequency as a courtesy to the net

C) Pause between transmissions to give the net a chance to change frequency

D) Reduce power to avoid interfering with the net

70 / 100

BR) What is a band plan?

A) A plan devised by a club to best use a frequency band during a contest

B) A guideline from the BTRC for making amateur frequency band allocations

C) A voluntary guideline for band use beyond the divisions established by the BTRC

D) A guideline from the ITU for making amateur frequency band allocations

71 / 100

BS) What skills learned during Fox Hunts are of help to the Amateur Auxiliary?

A) Identification of out of band operation

B) Hunters have an opportunity to transmit on non-amateur frequencies

C) Direction-finding skills used to locate stations violating BTRC Rules

D) Identification of different call signs

72 / 100

BT) What should you do to comply with good amateur practice when choosing a frequency for Slow Scan TV (SSTV) operation?

A) Transmit only on lower sideband

B) Select a frequency in the portion of the band set aside for digital operation

C) Follow generally accepted band plans for SSTV operation

D) Transmit your callsign as an SSTV image for 1 minute to ensure a clear frequency

73 / 100

BU) Which of the following operating restrictions applies to amateur radio stations as a secondary service in the 60 meter band?

A) They must not cause harmful interference to stations operating in other radio services

B) They must not exceed 2.0 kHz of bandwidth

C) They must transmit no more than 30 minutes during each hour to minimize harmful interference to other radio services

D) They must use lower sideband, suppressed-carrier, only

74 / 100

BV) What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 10 meter band?

A) 19.6 kilobaud

B) 300 baud

C) 56 kilobaud

D) 1200 baud

75 / 100

BW) What is a practical way to avoid harmful interference when selecting a frequency to call CQ using phone?

A) Listen for 2 minutes before calling CQ to avoid interference to contacts that maybe in progress

B) Keep your CQ to less than 2 minutes in length to avoid interference to contacts that may be in progress

C) Ask if the frequency is in use, say your callsign, and listen for a response*

D) Call CQ at low power first and if there is no indication of interference, increase power as necessary

76 / 100

BX) What information is traditionally contained in a station log?

A) All of these choices are correct

B) Band and/or frequency of the contact

C) Date and time of contact

D) Call sign of station contacted and the signal report given

77 / 100

BY) What is the maximum transmitting power a station with a General Class control operator may use on the 28 MHz band?

A) 1500 watts PEP output

B) 2000 watts PEP output

C) 1000 watts PEP output

D) 100 watts PEP output

78 / 100

BZ) When may the BTRC restrict normal frequency operations of amateur stations?

A) When they seize your equipment for use in disaster communications

B) When the country goes under a WAR

C) Only when all amateur stations are instructed to stop transmitting

D) When they declare a temporary state of communication emergency

79 / 100

CA) Which HF antenna would be the best to use for minimizing interference?

A) A bi-directional antenna

B) A unidirectional antenna

C) An omnidirectional antenna

D) An isotropic antenna

80 / 100

CB) What type of transmission would a control operator be making when transmitting out of the amateur band without station identification during a life threatening emergency?

A) A prohibited transmission

B) An unidentified transmission

C) A third party communication

D) An auxiliary transmission

81 / 100

CC) Which of the following frequencies is within the General Class portion of the 15 meter band?

A) 14250 kHz

B) 24900 kHz

C) 18155 kHz

D) 21300 kHz

82 / 100

CD) What limitations, other than the 1500 watt PEP limit, are placed on transmitter power in the 14 MHz band?

A) Effective radiated power cannot exceed 3000 watts

B) Power should be limited as necessary to avoid interference to another radio service on the frequency

C) Only the minimum power necessary to carry out the desired communications should be used

D) Power must be limited to 200 watts when transmitting between 14.100 MHz and 14.150 MHz

83 / 100

CE) Which of the following frequencies is within the General Class portion of the 80 meter band?

A) 3650 kHz

B) 1855 kHz

C) 3560 kHz

D) 2560 kHz

84 / 100

CF) What is the maximum symbol rate permitted for packet emission transmissions on the 2 meter band?

A) 19.6 kilobaud

B) 1200 baud

C) 300 baud

D) 56 kilobaud

85 / 100

CG) Which of the following is required by the BTRC rules when operating in HF band?

A) You must keep a log of all third party traffic

B) If you are using other than a dipole antenna, you must keep a record of the gain of your antenna

C) You must keep a log of the manufacturer of your equipment and the antenna used

D) You must keep a log of the date, time, frequency, power level and stations worked

86 / 100

CH) Which sideband is commonly used in the VHF and UHF bands?

A) Upper Sideband

B) Double Sideband

C) Vestigial Sideband

D) Lower Sideband

87 / 100

CI) Which of the following is not correct practice for an Intermediate class license holder?

A) Transmissions must use only CW or Data modes

B) Transmissions must only use Lower Sideband (LSB)

C) Transmissions can exceed the power limitations permitted for them

D) Transmissions must not exceed according to needs of the operator

88 / 100

CJ) What should you do to comply with good amateur practice when choosing a frequency for HF PSK operation?

A) Follow generally accepted band plans for PSK operation

B) Select a frequency in the upper end of the phone band

C) Call CQ in Morse code before attempting to establish a contact in PSK

D) Select a frequency in the lower end of the phone band

89 / 100

CK) Which of the following frequencies is available to a control operator holding a General Class license?

A) 28.020 MHz

B) 28.550 MHz

C) 28.350 MHz

D) All of these answers are correct

90 / 100

CL) What does the abbreviation "RTTY" stand for?

A) Repeater Transmission Type

B) Returning To You, meaning your turn to transmit

C) Radio-Teletype

D) A general call to all digital stations

91 / 100

CM) What is the standard bandwidth for narrow band FM transmission in VHF and UHF

A) 20 kHz

B) 25 KHz

C) 12.5 KHz

D) 50 kHz

92 / 100

CN) Why do many amateurs keep a log even though the BTRC doesn't require it?

A) The ITU requires a log of all international contacts

B) The ITU requires a log of all international third party traffic

C) To help with a reply if the BTRC requests information on who was control operator of your station at a given date and time

D) The log provides evidence of operation needed to renew a license without retest

93 / 100

CO) Which of the following applies in the event of interference between a coordinated repeater and an uncoordinated repeater?

A) Both repeater licensees share equal responsibility to resolve the interference

B) The frequency coordinator bears primary responsibility to resolve the interference

C) The licensee of the non-coordinated repeater has primary responsibility to resolve the interference

D) The licensee of the coordinated repeater has primary responsibility to resolve the interference

94 / 100

CP) What action should be taken if the frequency on which a net normally meets is in use just before the net begins?

A) Ask the stations if the net may use the frequency, or move the net to a nearby clear frequency if necessary

B) Reduce your output power and start the net as usual

C) Increase your power output so that net participants will be able to hear you

D) Cancel the net for that day

95 / 100

CQ) What language must you use when identifying your station if you are using a language other than English in making a contact?

A) Any language if the US has a third party agreement with that country

B) The language being used for the contact

C) Any language of a country that is a member of the ITU

D) English

96 / 100

CR) What is the maximum transmitting power an amateur station may use on 10.140 MHz for Intermediate class?

A) 1000 watts PEP output

B) 1500 watts PEP output

C) 100 watts PEP output

D) 2000 watts PEP output

97 / 100

CS) How many data bits are sent in a single PSK31 character?

A) The number varies

B) 8

C) 5

D) 7

98 / 100

CT) What is the power limit for beacon stations in Intermediate class license?

A) 100 watts PEP output

B) 10 watts PEP output

C) 200 watts PEP output

D) 20 watts PEP output

99 / 100

CU) Which sideband is commonly used on the 160, 75, and 40 meter bands?

A) Vestigial Sideband

B) Upper Sideband

C) Double Sideband

D) Lower Sideband

100 / 100

CV) What frequency should be used to send a distress call?

A) Whatever frequency has the best chance of communicating the distress message

B) Only frequencies used by police, fire or emergency medical services

C) Only frequencies that are within your operating privileges

D) 3873 kHz at night or 7285 kHz during the day

Your score is

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The Names of those who contributing-

S21DI

Rahat Khan

S21SPS

Pulak Sarker

S21MEV

Iftakhar Mahmud

S21OMH

Ovijit Mridha

S21TCV

MD Khairul Islam

S21DBA

Samrat

S21KV

Kawsar Mohammad

S2PL

Md Pappu

S21IT

Tahsin Rahman Abir

S21RC

Fazlay Rabby

S21KMP

Nazmul Hasan

S21AF

Fahad

S21BDK

Rezaul Karim

S21ALT

Md Zaved Khan

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