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0 [{"id":487852,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:08:21","updated_at":"2018-06-12 01:08:21","questionName":"A VHF transmission range is mainly determined by:","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487845,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:00:42","updated_at":"2018-06-12 01:00:42","questionName":"Which of the following satellite systems is of particular importance to search and rescue missions under\r\nGMDSS?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487857,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:11:48","updated_at":"2018-06-12 01:11:48","questionName":"What advantage does a vertical whip have over a long wire?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487849,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:06:21","updated_at":"2018-06-12 01:06:21","questionName":"The SART operates correctly when interrogated by navigational radars with an antenna height of 15\r\nmeters at a distance of at least...","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487851,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:07:37","updated_at":"2018-06-12 01:07:37","questionName":"A polarization of a radio wave is determined by a:","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487856,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:11:16","updated_at":"2018-06-12 01:11:16","questionName":"What is the purpose or function of the antenna coupler?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487848,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:05:09","updated_at":"2018-06-12 01:05:09","questionName":"You are making a ship-to-shore public correspondence call and the coast station does not reply to your\r\nVHF DSC call after a second time, how long must you wait before calling again?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487855,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:10:27","updated_at":"2018-06-12 01:10:27","questionName":"A vertical quarter wave antenna with a good ground connection will:","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487859,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:12:54","updated_at":"2018-06-12 01:12:54","questionName":"A VHF transmission range is mainly determined by:","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487846,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:01:19","updated_at":"2018-06-12 01:01:19","questionName":"A DSC call for public correspondence may be repeated on the same or another DSC channel, if no\r\nacknowledgement is received within 5 min. Further call attempts should be delayed at least ____ if\r\nacknowledgement is still not received?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487847,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:01:51","updated_at":"2018-06-12 01:01:51","questionName":"Which is the key part of the search and rescue system under GMDSS?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487853,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:09:02","updated_at":"2018-06-12 01:09:02","questionName":"What is the most common type of antenna for GMDSS MF-HF?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487854,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:09:46","updated_at":"2018-06-12 01:09:46","questionName":"Why is an antenna tuner required for MF-HF transmissions?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487858,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:12:22","updated_at":"2018-06-12 01:12:22","questionName":"Which of the following statements about a VHF vertical antenna is true?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":487850,"quiz_id":"24964","answer_id":null,"answerType_id":"0","created_at":"2018-06-12 01:06:55","updated_at":"2018-06-12 01:06:55","questionName":"When making a DSC public correspondence call, how long would you wait before attempting to make a\r\nsecond call with a station which does not answer?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null}]
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A VHF transmission range is mainly determined by:

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