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    within what distance must an amateur station protect an fcc monitoring facility from harmful interference?

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    The ARRL Extra Class License Manual for Ham Radio

    "Pass the 50-question Extra Class test; all the exam questions with answer key, for use beginning July 1, 2008 to June 30, 2012; detailed explanations for all questions including FCC rules"--Cover.

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    The ARRL Extra Class License Manual for Ham Radio

    H. Ward Silver

    American Radio Relay League, 2008

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    "Pass the 50-question Extra Class test; all the exam questions with answer key, for use beginning July 1, 2008 to June 30, 2012; detailed explanations for all questions including FCC rules"--Cover.

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    Kaynakça bilgileri

    Başlık The ARRL Extra Class License Manual for Ham Radio

    Yazar H. Ward Silver

    Editör Mark Wilson

    Yayıncı American Radio Relay League, 2008

    ISBN 0872591352, 9780872591356

    Alıntıyı Dışa Aktar BiBTeX EndNote RefMan

    Google Kitaplar Hakkında - Gizlilik Politikaları - Hizmet   Şartları - Yayıncılar için Bilgiler - Sorun bildir - Yardım - Google Ana Sayfası

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    Amateur Extra pool, section E1B

    Amateur Extra question pool, Subelement E1, Section E1B: Station restrictions and special operations: restrictions on station location; general operating restrictions; spurious emissions; antenna structure restrictions; RACES operations

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    Subelement E1 COMMISSION RULES Section E1B

    Station restrictions and special operations: restrictions on station location; general operating restrictions; spurious emissions; antenna structure restrictions; RACES operations

    Which of the following constitutes a spurious emission?

    An amateur station transmission made without the proper call sign identification

    A signal transmitted to prevent its detection by any station other than the intended recipient

    Any transmitted signal that unintentionally interferes with another licensed radio station

    Correct Answer

    An emission outside the signal's necessary bandwidth that can be reduced or eliminated without affecting the information transmitted

    Spurious is defined as "Not being what it purports to be; false or fake."

    Spurious emissions are "false" emissions that accompany legitimate emissions. Usually they are caused by a poorly calibrated or faulty transmitter. On a spectrum analyzer they would show up as being spikes of RF energy sometimes adjacent to the real signal and sometimes at random intervals usually close by.

    These emissions are "spurious" or "false" because they are not necessary to receive the information and they are outside the normal bandwidth needed for the signal.

    Tip: The correct answer is the only one that contains the word "emission" from the question.

    Last edited by anne.akbay. Register to edit

    Tags: noise and interference bandwidth arrl chapter 3 arrl module 3a

    Which of the following is an acceptable bandwidth for Digital Radio Mondiale (DRM) based voice or SSTV digital transmissions made on the HF amateur bands?

    Correct Answer 3 kHz 10 kHz 15 kHz 20 kHz

    Remember that SSTV (Slow Scan TV) transmissions have to fit into the same bandwidth as common SSB voice transmission.

    -benny2

    Just like any SSTV transmission, 3 KHz is an acceptable bandwidth.

    Answer: 3KHz -KE0IPR

    Last edited by ke0ipr. Register to edit

    Tags: arrl chapter 8 arrl module 8e

    Within what distance must an amateur station protect an FCC monitoring facility from harmful interference?

    Correct Answer 1 mile 3 miles 10 miles 30 miles

    § 97.13 Restrictions on station location.

    (b) A station within 1600 m (1 mile) of an FCC monitoring facility must protect that facility from harmful interference. Failure to do so could result in imposition of operating restrictions upon the amateur station by a District Director pursuant to § 97.121 of this part. Geographical coordinates of the facilities that require protection are listed in § 0.121(c) of this chapter.

    Last edited by k4ry. Register to edit

    Tags: arrl chapter 3 arrl module 3a

    What must be done before placing an amateur station within an officially designated wilderness area or wildlife preserve, or an area listed in the National Register of Historic Places?

    A proposal must be submitted to the National Park Service

    A letter of intent must be filed with the Environmental Protection Agency

    Correct Answer

    An Environmental Assessment must be submitted to the FCC

    A form FSD-15 must be submitted to the Department of the Interior

    You only need to work with the FCC. Go to their website www.fcc.gov and search for "Environmental Assessment" and the forms will be listed.

    Last edited by brankin. Register to edit

    Tags: arrl chapter 3 arrl module 3a

    What is the National Radio Quiet Zone?

    An area in Puerto Rico surrounding the Arecibo Radio Telescope

    An area in New Mexico surrounding the White Sands Test Area

    Correct Answer

    An area surrounding the National Radio Astronomy Observatory

    An area in Florida surrounding Cape Canaveral

    Private land mobile radio services, 47 C.F.R. § 97.3 (2010):

    (32) National Radio Quiet Zone. The area in Maryland, Virginia and West Virginia Bounded by 39°15′ N on the north, 78°30′ W on the east, 37°30′ N on the south and 80°30′ W on the west.

    reference:

    http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol5/pdf/CFR-2010-title47-vol5.pdf

    page 589

    From Wikipedia:

    The United States National Radio Quiet Zone is a large area of land surrounding the National Radio Astronomy Observatory (NRAO) at Green Bank, West Virginia, and especially the large Green Bank Telescope radio telescope. The Radio Quiet Zone is a rectangle of land approximately 13,000 square miles (34,000 km2) in size that straddles the border area of Virginia and West Virginia. It includes all land with latitudes between 37.5°N and 39.25°N and longitudes between 78.5°W and 80.5°W. This area was chosen because it has a hilly topography that screens out most incoming radio signals, allowing the Green Bank telescopes to receive signals that are otherwise too low in power to be heard over the normal radio background in North America.

    http://en.wikipedia.org/wiki/United_States_National_Radio_Quiet_Zone

    Last edited by kd7bbc. Register to edit

    Tags: arrl chapter 3 arrl module 3d

    Which of the following additional rules apply if you are installing an amateur station antenna at a site at or near a public use airport?

    Correct Answer

    You may have to notify the Federal Aviation Administration and register it with the FCC as required by Part 17 of the FCC rules

    Source : hamstudy.org

    Extra Class Ham Radio Test E1B Flashcards

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    Extra Class Ham Radio Test E1B

    Extra Class Ham Radio Test E1B Questions

    11 Engineering Not Applicable 01/23/2017

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    Term E1B01

    Which of the following constitutes a spurious emission?

    Definition

    An emission outside its necessary bandwidth that can be reduced or eliminated without affecting the information transmitted

    Term E1B02

    Which of the following factors might cause the physical location of an amateur station apparatus or antenna structure to be restricted?

    Definition

    The location is of environmental importance or significant in American history, architecture, or culture

    Term E1B03

    Within what distance must an amateur station protect an FCC monitoring facility from harmful interference?

    Definition

    1 mile

    Term E1B04

    What must be done before placing an amateur station within an officially designated wilderness area or wildlife preserve, or an area listed in the National Register of Historical Places?

    Definition

    An Environmental Assessment must be submitted to the FCC

    Term E1B05

    What is the National Radio Quiet Zone?

    Definition

    An area surrounding the National Radio Astronomy Observatory

    Term E1B06

    Which of the following additional rules apply if you are installing an amateur station antenna at a site at or near a public use airport?

    Definition

    You may have to notify the Federal Aviation Administration and register it with the FCC as required by Part 17 of FCC rules

    Term E1B07

    What is the highest modulation index permitted at the highest modulation frequency for angle modulation below 29.0 MHz?

    Definition

    1.0

    Term E1B08

    What limitations may the FCC place on an amateur station if its signal causes interference to domestic broadcast reception, assuming that the receivers involved are of good engineering design?

    Definition

    The amateur station must avoid transmitting during certain hours on frequencies that cause the interference

    Term E1B09

    Which amateur stations may be operated under RACES rules?

    Definition

    Any FCC-licensed amateur station certified by the responsible civil defense organization for the area served

    Term E1B10

    What frequencies are authorized to an amateur station operating under RACES rules?

    Definition

    All amateur service frequencies authorized to the control operator

    Term E1B11

    What is the permitted mean power of any spurious emission relative to the mean power of the fundamental emission from a station transmitter or external RF amplifier installed after January 1, 2003 and transmitting on a frequency below 30 MHZ?

    Definition

    At least 43 dB below

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