<?xml version="1.0" encoding="UTF-8"?><collection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/MARC21/slim" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd"><record><leader>02886cam a2200529Ii 4500</leader><controlfield tag="001">102325947</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20250726000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">090416e198008  maua     bt  f000 0 eng d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)990161179280106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990161179280106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)MIU01000000000000016117928-goog</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)318595341</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)Aleph016117928</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">LHL</subfield><subfield code="b">eng</subfield><subfield code="e">rda</subfield><subfield code="c">LHL</subfield><subfield code="d">FUG</subfield><subfield code="d">OCLCF</subfield><subfield code="d">OCLCQ</subfield><subfield code="d">COD</subfield><subfield code="d">TRAAL</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">MAIN</subfield></datafield><datafield tag="086" ind1="0" ind2=" "><subfield code="a">D 301.45/10:289</subfield></datafield><datafield tag="088" ind1=" " ind2=" "><subfield code="a">ADA 099384</subfield></datafield><datafield tag="088" ind1=" " ind2=" "><subfield code="a">AFGL TR 80-249</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Laping, Hans.</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">BCS-18A command decoder-selector /</subfield><subfield code="c">Hans Laping.</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Hanscom AFB, Massachusetts :</subfield><subfield code="b">Air Force Geophysics Laboratory, Air Force Systems Command, United States Air Force,</subfield><subfield code="c">1980.</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">64 pages :</subfield><subfield code="b">illustrations ;</subfield><subfield code="c">28 cm.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">unmediated</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">volume</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">AFGL-TR ;</subfield><subfield code="v">80-0249</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">Instrumentation papers ;</subfield><subfield code="v">No. 289</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Research supported by the Air Force Geophysics Laboratory, Air Force Systems Command, United States Air Force, Hanscom AFB, Massachusetts.</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Aerospace Instrumentation Division Project 7659.</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">"25 August 1980."</subfield></datafield><datafield tag="504" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references (page 61).</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">This report describes an 18-channel command decoder-selector which operates in conjunction with an HF command receiver to allow secure and reliable radio control of high altitude balloon payloads. 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