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| Keywords: Photograph of Tower Men Installing and Adjusting "J" Type Antenna - NARA - 2129586.jpg Scope and content Original caption The tower men remain aloft for 2 hours installing adjusting J type VHF antenna on top of mast at Baldwin Ranger Station The J type antenna will be replaced by a type P D V H F antenna for improved radiation characteristics in horizontal plane Lo General notes 2129586 Local identifier 432916 Department of Agriculture Forest Service Region 9 Eastern Region 1965 - Most Recent <br /> Department of Agriculture Division of Forestry 1881 - 07/01/1901 Predecessor NARA-Place Huron-Manistee National Forests Mich 4509455 <br /> NARA's Great Lakes Region Chicago NRDA 7358 South Pulaski Road Chicago IL 60629-5898 1940 Record group Record Group 95 Records of the Forest Service 1870 - 2008 Record group ARC 424 Historic Photographs compiled ca 1880 - ca 1970 Series ARC 1812856 File unit File unit ARC Variant control numbers Agency-Assigned Identifier 432916 Other versions <gallery> File Photograph_of_Tower_Men_Installing_and_Adjusting_ J _Type_Antenna_-_NARA_-_2129586 tif tif File Photograph_of_Tower_Men_Installing_and_Adjusting_ J _Type_Antenna_-_NARA_-_2129586 jpg jpg </gallery> NARA-cooperation PD-USGov J-pole antennas | ||||
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