"seamark:name"=>"BRW-PKN","seamark:type"=>"beacon_lateral","seamark:source"=>"https://www.vaarweginformatie.nl/frp/main/#/page/downloads -> Actuele vaarwegmarkering (vast). Version: 16 Date: 21-06-2019","seamark:information"=>"start and end sector not given -> estimated","seamark:topmark:shape"=>"2 cones point together","seamark:light:1:colour"=>"white","seamark:light:1:height"=>"10","seamark:light:1:period"=>"2","seamark:topmark:colour"=>"red;green","seamark:light:1:character"=>"Iso","seamark:light:1:sector_end"=>"302.5","seamark:beacon_lateral:shape"=>"pile","seamark:light:1:sector_start"=>"287.5","seamark:beacon_lateral:colour"=>"grey","seamark:beacon_lateral:system"=>"iala-a","seamark:beacon_lateral:category"=>"channel_separation"
"technology"=>"GSM 1800;GSM 900","tower:type"=>"communication"