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<loc xlink:type="locator" xlink:href="astc-20140630.xsd#astc_FairValueStockBasedCompensationAxis" xlink:label="loc_astc_FairValueStockBasedCompensationAxis_2"/>
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<loc xlink:type="locator" xlink:href="astc-20140630.xsd#astc_AstrotechSecuritiesRepurchaseProgramMember" xlink:label="loc_astc_AstrotechSecuritiesRepurchaseProgramMember_12"/>
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