USN9 D308 Y18: 16/ 20.4/ 24 channels used by NOV OEM6 USN9 D309 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D310 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D311 Y18: 16/ 20.4/ 24 channels used by NOV OEM6 USN9 D312 Y18: 15/ 20.4/ 24 channels used by NOV OEM6 USN9 D313 Y18: 15/ 20.4/ 24 channels used by NOV OEM6 USN9 D314 Y18: 16/ 20.5/ 24 channels used by NOV OEM6 USN9 D315 Y18: 16/ 20.4/ 23 channels used by NOV OEM6 USN9 D316 Y18: 16/ 20.4/ 24 channels used by NOV OEM6 USN9 D317 Y18: 11/ 20.4/ 25 channels used by NOV OEM6 USN9 D318 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D319 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D320 Y18: 15/ 20.4/ 24 channels used by NOV OEM6 USN9 D321 Y18: 15/ 20.3/ 24 channels used by NOV OEM6 USN9 D322 Y18: 16/ 20.1/ 24 channels used by NOV OEM6 USN9 D323 Y18: 16/ 20.1/ 23 channels used by NOV OEM6 USN9 D324 Y18: 16/ 20.1/ 24 channels used by NOV OEM6 USN9 D325 Y18: 16/ 20.1/ 25 channels used by NOV OEM6 USN9 D326 Y18: 16/ 20.1/ 25 channels used by NOV OEM6 USN9 D327 Y18: 16/ 20.1/ 25 channels used by NOV OEM6 USN9 D328 Y18: 15/ 19.8/ 24 channels used by NOV OEM6 USN9 D329 Y18: 15/ 19.8/ 24 channels used by NOV OEM6 USN9 D330 Y18: 15/ 19.8/ 24 channels used by NOV OEM6 USN9 D331 Y18: 16/ 20.0/ 23 channels used by NOV OEM6 USN9 D332 Y18: 16/ 20.1/ 24 channels used by NOV OEM6 USN9 D333 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D337 Y18: 16/ 17.5/ 18 channels used by NOV OEM6 USN9 D338 Y18: 16/ 19.6/ 23 channels used by NOV OEM6 USN9 D339 Y18: 17/ 20.6/ 23 channels used by NOV OEM6 USN9 D344 Y18: 19/ 21.4/ 24 channels used by NOV OEM6 USN9 D345 Y18: 19/ 22.0/ 25 channels used by NOV OEM6 USN9 D346 Y18: 16/ 21.0/ 25 channels used by NOV OEM6 USN9 D347 Y18: 16/ 20.5/ 23 channels used by NOV OEM6 USN9 D348 Y18: 16/ 20.5/ 24 channels used by NOV OEM6 USN9 D349 Y18: 16/ 20.6/ 25 channels used by NOV OEM6 USN9 D350 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D351 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D352 Y18: 16/ 21.1/ 25 channels used by NOV OEM6 USN9 D353 Y18: 15/ 20.5/ 24 channels used by NOV OEM6 USN9 D354 Y18: 16/ 20.5/ 24 channels used by NOV OEM6 USN9 D355 Y18: 16/ 20.4/ 23 channels used by NOV OEM6 USN9 D356 Y18: 16/ 20.5/ 24 channels used by NOV OEM6 USN9 D357 Y18: 17/ 21.0/ 26 channels used by NOV OEM6 USN9 D358 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D359 Y18: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D360 Y18: 15/ 20.9/ 24 channels used by NOV OEM6 USN9 D361 Y18: 15/ 20.9/ 24 channels used by NOV OEM6 USN9 D362 Y18: 17/ 21.5/ 25 channels used by NOV OEM6 USN9 D363 Y18: 16/ 20.6/ 24 channels used by NOV OEM6 USN9 D364 Y18: 16/ 20.3/ 24 channels used by NOV OEM6 USN9 D365 Y18: 16/ 20.2/ 25 channels used by NOV OEM6 USN9 D001 Y19: 17/ 20.8/ 25 channels used by NOV OEM6 USN9 D002 Y19: 16/ 20.1/ 24 channels used by NOV OEM6 USN9 D003 Y19: 15/ 20.1/ 24 channels used by NOV OEM6 USN9 D004 Y19: 15/ 20.2/ 24 channels used by NOV OEM6 USN9 D005 Y19: 16/ 20.1/ 24 channels used by NOV OEM6 USN9 D006 Y19: 16/ 20.1/ 23 channels used by NOV OEM6 USN9 D007 Y19: 17/ 21.0/ 25 channels used by NOV OEM6 USN9 D008 Y19: 16/ 20.6/ 26 channels used by NOV OEM6 USN9 D009 Y19: 16/ 20.1/ 24 channels used by NOV OEM6 USN9 D010 Y19: 16/ 20.0/ 24 channels used by NOV OEM6 USN9 D011 Y19: 15/ 20.1/ 23 channels used by NOV OEM6 USN9 D012 Y19: 15/ 20.1/ 24 channels used by NOV OEM6 USN9 D013 Y19: 16/ 20.9/ 24 channels used by NOV OEM6 USN9 D014 Y19: 17/ 21.4/ 24 channels used by NOV OEM6 USN9 D015 Y19: 16/ 20.6/ 24 channels used by NOV OEM6 USN9 D016 Y19: 15/ 20.2/ 25 channels used by NOV OEM6 USN9 D017 Y19: 14/ 20.0/ 25 channels used by NOV OEM6 USN9 D018 Y19: 16/ 19.8/ 24 channels used by NOV OEM6 USN9 D019 Y19: 15/ 20.1/ 24 channels used by NOV OEM6 USN9 D020 Y19: 15/ 20.4/ 24 channels used by NOV OEM6 USN9 D021 Y19: 17/ 20.8/ 25 channels used by NOV OEM6 USN9 D022 Y19: 16/ 20.6/ 24 channels used by NOV OEM6 USN9 D023 Y19: 16/ 20.2/ 24 channels used by NOV OEM6 USN9 D024 Y19: 16/ 20.2/ 25 channels used by NOV OEM6 USN9 D025 Y19: 17/ 21.1/ 25 channels used by NOV OEM6 USN9 D026 Y19: 17/ 21.1/ 25 channels used by NOV OEM6 USN9 D027 Y19: 16/ 21.1/ 25 channels used by NOV OEM6 USN9 D028 Y19: 16/ 21.0/ 25 channels used by NOV OEM6 USN9 D029 Y19: 16/ 20.1/ 24 channels used by NOV OEM6 USN9 D040 Y19: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D041 Y19: 16/ 20.4/ 26 channels used by NOV OEM6 USN9 D042 Y19: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D043 Y19: 15/ 20.4/ 24 channels used by NOV OEM6 USN9 D044 Y19: 15/ 20.9/ 24 channels used by NOV OEM6 USN9 D047 Y19: 16/ 20.6/ 24 channels used by NOV OEM6 USN9 D048 Y19: 16/ 20.7/ 25 channels used by NOV OEM6 USN9 D049 Y19: 16/ 20.9/ 25 channels used by NOV OEM6 USN9 D050 Y19: 16/ 20.5/ 25 channels used by NOV OEM6 USN9 D051 Y19: 15/ 20.4/ 25 channels used by NOV OEM6 USN9 D052 Y19: 16/ 20.9/ 25 channels used by NOV OEM6 USN9 D053 Y19: 16/ 20.5/ 24 channels used by NOV OEM6 USN9 D054 Y19: 16/ 20.4/ 23 channels used by NOV OEM6 USN9 D055 Y19: 16/ 20.9/ 24 channels used by NOV OEM6 USN9 D056 Y19: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D057 Y19: 16/ 20.4/ 25 channels used by NOV OEM6 USN9 D058 Y19: 16/ 20.4/ 24 channels used by NOV OEM6 USN9 D059 Y19: 15/ 20.4/ 25 channels used by NOV OEM6 USN9 D060 Y19: 16/ 20.8/ 24 channels used by NOV OEM6 USN9 D061 Y19: 16/ 20.7/ 24 channels used by NOV OEM6 USN9 D062 Y19: 16/ 20.8/ 24 channels used by NOV OEM6 USN9 D063 Y19: 17/ 21.0/ 24 channels used by NOV OEM6 USN9 D064 Y19: 16/ 20.4/ 24 channels used by NOV OEM6 USN9 D065 Y19: 11/ 20.3/ 25 channels used by NOV OEM6 USN9 D066 Y19: 16/ 20.5/ 25 channels used by NOV OEM6 USN9 D067 Y19: 15/ 21.1/ 26 channels used by NOV OEM6 USN9 D068 Y19: 15/ 20.9/ 24 channels used by NOV OEM6 USN9 D069 Y19: 16/ 20.4/ 23 channels used by NOV OEM6 USN9 D070 Y19: 16/ 20.4/ 24 channels used by NOV OEM6 USN9 D071 Y19: 16/ 20.9/ 24 channels used by NOV OEM6 USN9 D072 Y19: 16/ 20.9/ 24 channels used by NOV OEM6 USN9 D073 Y19: 16/ 20.9/ 25 channels used by NOV OEM6 USN9 D074 Y19: 15/ 20.2/ 24 channels used by NOV OEM6 USN9 D075 Y19: 16/ 20.6/ 26 channels used by NOV OEM6 USN9 D076 Y19: 15/ 20.5/ 25 channels used by NOV OEM6 USN9 D077 Y19: 18/ 21.3/ 24 channels used by NOV OEM6 USN9 D084 Y19: 12/ 17.5/ 21 channels used by NOV OEM6 USN9 D085 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D086 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D087 Y19: 13/ 17.5/ 20 channels used by NOV OEM6 USN9 D088 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D089 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D090 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D091 Y19: 12/ 17.3/ 22 channels used by NOV OEM6 USN9 D092 Y19: 12/ 17.1/ 20 channels used by NOV OEM6 USN9 D093 Y19: 13/ 17.1/ 20 channels used by NOV OEM6 USN9 D094 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D095 Y19: 14/ 17.4/ 21 channels used by NOV OEM6 USN9 D096 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D097 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D098 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D099 Y19: 12/ 17.4/ 22 channels used by NOV OEM6 USN9 D100 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D101 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D102 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D103 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D104 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D105 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D106 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D107 Y19: 12/ 17.4/ 22 channels used by NOV OEM6 USN9 D108 Y19: 12/ 17.5/ 21 channels used by NOV OEM6 USN9 D109 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D110 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D111 Y19: 14/ 17.4/ 21 channels used by NOV OEM6 USN9 D112 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D113 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D114 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D115 Y19: 12/ 17.4/ 22 channels used by NOV OEM6 USN9 D116 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D117 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D118 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D119 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D120 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D121 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D122 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D123 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D124 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D125 Y19: 12/ 17.4/ 20 channels used by NOV OEM6 USN9 D126 Y19: 13/ 16.5/ 21 channels used by NOV OEM6 USN9 D127 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D128 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D129 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D130 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D131 Y19: 12/ 17.4/ 22 channels used by NOV OEM6 USN9 D132 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D133 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D134 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D135 Y19: 13/ 17.2/ 20 channels used by NOV OEM6 USN9 D136 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D137 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D138 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D139 Y19: 12/ 17.4/ 22 channels used by NOV OEM6 USN9 D140 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D141 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D142 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D143 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D144 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D145 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D146 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D147 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D148 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D149 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D150 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D151 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D152 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D153 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D154 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D155 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D156 Y19: 12/ 17.4/ 20 channels used by NOV OEM6 USN9 D157 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D158 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D159 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D160 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D161 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D162 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D163 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D166 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D167 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D168 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D169 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D170 Y19: 13/ 17.2/ 21 channels used by NOV OEM6 USN9 D171 Y19: 12/ 17.1/ 20 channels used by NOV OEM6 USN9 D172 Y19: 12/ 17.1/ 20 channels used by NOV OEM6 USN9 D173 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D174 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D175 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D176 Y19: 13/ 17.5/ 22 channels used by NOV OEM6 USN9 D177 Y19: 13/ 17.5/ 22 channels used by NOV OEM6 USN9 D178 Y19: 12/ 17.6/ 22 channels used by NOV OEM6 USN9 D179 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D180 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D181 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D182 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D183 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D184 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D185 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D186 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D187 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D188 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D189 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D190 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D191 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D192 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D193 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D194 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D195 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D196 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D197 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D198 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D199 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D200 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D201 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D202 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D203 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D204 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D205 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D206 Y19: 13/ 17.4/ 20 channels used by NOV OEM6 USN9 D207 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D208 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D209 Y19: 13/ 17.3/ 21 channels used by NOV OEM6 USN9 D210 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D211 Y19: 12/ 17.4/ 21 channels used by NOV OEM6 USN9 D212 Y19: 13/ 17.4/ 21 channels used by NOV OEM6 USN9 D213 Y19: 13/ 17.2/ 20 channels used by NOV OEM6 USN9 D214 Y19: 13/ 17.1/ 20 channels used by NOV OEM6 USN9 D215 Y19: 13/ 17.1/ 21 channels used by NOV OEM6 USN9 D216 Y19: 13/ 17.1/ 21 channels used by NOV OEM6 USN9 D217 Y19: 13/ 17.0/ 21 channels used by NOV OEM6 USN9 D218 Y19: 12/ 17.0/ 20 channels used by NOV OEM6 USN9 D219 Y19: 12/ 17.0/ 20 channels used by NOV OEM6 USN9 D220 Y19: 13/ 17.0/ 21 channels used by NOV OEM6 USN9 D221 Y19: 13/ 17.1/ 20 channels used by NOV OEM6 USN9 D222 Y19: 13/ 17.1/ 20 channels used by NOV OEM6 USN9 D223 Y19: 13/ 17.1/ 21 channels used by NOV OEM6 USN9 D224 Y19: 13/ 17.1/ 21 channels used by NOV OEM6 USN9 D225 Y19: 13/ 17.0/ 21 channels used by NOV OEM6 USN9 D226 Y19: 12/ 17.0/ 20 channels used by NOV OEM6 USN9 D227 Y19: 12/ 17.0/ 20 channels used by NOV OEM6 USN9 D228 Y19: 13/ 17.0/ 20 channels used by NOV OEM6 USN9 D229 Y19: 13/ 17.1/ 20 channels used by NOV OEM6 USN9 D230 Y19: 13/ 17.1/ 20 channels used by NOV OEM6 USN9 D231 Y19: 12/ 17.1/ 21 channels used by NOV OEM6 USN9 D232 Y19: 13/ 17.1/ 21 channels used by NOV OEM6 USN9 D233 Y19: 13/ 17.0/ 21 channels used by NOV OEM6 USN9 D234 Y19: 12/ 17.0/ 20 channels used by NOV OEM6 USN9 D235 Y19: 12/ 17.0/ 20 channels used by NOV OEM6 USN9 D236 Y19: 13/ 17.0/ 21 channels used by NOV OEM6 USN9 D237 Y19: 13/ 17.0/ 20 channels used by NOV OEM6 USN9 D238 Y19: 13/ 16.8/ 20 channels used by NOV OEM6 USN9 D239 Y19: 12/ 16.7/ 21 channels used by NOV OEM6 USN9 D240 Y19: 12/ 16.7/ 21 channels used by NOV OEM6 USN9 D241 Y19: 12/ 16.7/ 21 channels used by NOV OEM6 USN9 D242 Y19: 12/ 16.7/ 20 channels used by NOV OEM6 USN9 D243 Y19: 12/ 16.7/ 20 channels used by NOV OEM6 USN9 D244 Y19: 13/ 16.7/ 20 channels used by NOV OEM6 USN9 D245 Y19: 13/ 16.8/ 20 channels used by NOV OEM6 USN9 D246 Y19: 13/ 16.8/ 20 channels used by NOV OEM6 USN9 D247 Y19: 12/ 16.7/ 21 channels used by NOV OEM6 USN9 D248 Y19: 12/ 16.8/ 21 channels used by NOV OEM6 USN9 D249 Y19: 11/ 16.7/ 21 channels used by NOV OEM6 USN9 D250 Y19: 12/ 16.7/ 20 channels used by NOV OEM6 USN9 D251 Y19: 12/ 16.7/ 20 channels used by NOV OEM6 USN9 D252 Y19: 13/ 16.8/ 20 channels used by NOV OEM6 USN9 D253 Y19: 12/ 16.6/ 20 channels used by NOV OEM6 USN9 D255 Y19: 12/ 16.5/ 20 channels used by NOV OEM6