I have read the protocol again and there does not appear to be a STOP event and I do not see the rotator issuing one in the logs, so I've gone back and changed the constants.h file to change the STOP command to "SER," - the behaviour did not seem to change in any noticeable way from a user perspective, BUT it did change the log content such that the following started appearing;
[2020-08-05T18:57:17.954 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[SCOPE] Current RA: 15:51:58 Current DEC: -16:07:58 "
[2020-08-05T18:57:18.953 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] CMD: /* Java Script */var Out;sky6RASCOMTele.GetRaDec();Out = String(sky6RASCOMTele.dRa) + ',' + String(sky6RASCOMTele.dDec); "
[2020-08-05T18:57:20.532 AEST INFO ][org.kde.kstars.ekos.observatory] - "Aborting..."
[2020-08-05T18:57:20.541 AEST DEBG ][ org.kde.kstars.ekos] - Aborting...
[2020-08-05T18:57:20.568 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] CMD <@SWR> "
[2020-08-05T18:57:20.613 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] RES <:SER,44982,0,55080,28228,300> "
[2020-08-05T18:57:20.615 AEST DEBG ][org.kde.kstars.ekos.observatory] - Setting dome status to 0
[2020-08-05T18:57:20.615 AEST INFO ][org.kde.kstars.ekos.observatory] - "Dome is idle."
[2020-08-05T18:57:21.937 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <:BV909#> with value <909> "
[2020-08-05T18:57:22.019 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] RES: 15.86600441373993,-16.132692887931512|No error. Error = 0. "
[2020-08-05T18:57:22.021 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[SCOPE] Current RA: 15:51:58 Current DEC: -16:07:58 "
[2020-08-05T18:57:22.021 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] JD: 2.45907e+06 - MSD: 5.91446 "
[2020-08-05T18:57:22.021 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] MC.x: 0 - MC.y: -0.1 MC.z: 0.25 "
[2020-08-05T18:57:22.021 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] HA: -0.293275 Lng: 144.874 RA: 237.99 "
[2020-08-05T18:57:22.021 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Active Snoop, driver: Paramount, property: TELESCOPE_PIER_SIDE "
[2020-08-05T18:57:22.022 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OTA_SIDE: 1 "
[2020-08-05T18:57:22.027 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OTA_OFFSET: 0.6 Lat: -37.8414 "
[2020-08-05T18:57:22.027 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OC.x: -0.598232 - OC.y: -0.0717664 OC.z: 0.213656 "
[2020-08-05T18:57:22.027 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Mount Az: 11.3178 Alt: 67.9477 "
[2020-08-05T18:57:22.027 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OV.x: 0.0736832 - OV.y: 0.368152 OV.z: 0.926841 "
[2020-08-05T18:57:22.027 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Calculated target azimuth is 291.597. MinAz: 260.56, MaxAz: 322.634 "
[2020-08-05T18:57:22.028 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] CMD <@GAR,291> "
[2020-08-05T18:57:22.109 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] RES <:left> "
[2020-08-05T18:57:22.112 AEST INFO ][ org.kde.kstars.indi] - NexDome : "[INFO] Dome is moving to position 291.597 degrees... "
[2020-08-05T18:57:22.112 AEST DEBG ][org.kde.kstars.ekos.observatory] - Setting dome status to 2
[2020-08-05T18:57:22.112 AEST INFO ][org.kde.kstars.ekos.observatory] - "Dome is moving counter clockwise..."
[2020-08-05T18:57:22.121 AEST INFO ][ org.kde.kstars.indi] - NexDome : "[INFO] Dome is syncing to position 291.597 degrees... "
[2020-08-05T18:57:22.511 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44976> with value <44976> "
[2020-08-05T18:57:22.766 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <XB->Online> with value <Online> "
[2020-08-05T18:57:23.021 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] CMD: /* Java Script */var Out;sky6RASCOMTele.GetRaDec();Out = String(sky6RASCOMTele.dRa) + ',' + String(sky6RASCOMTele.dDec); "
[2020-08-05T18:57:23.043 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44943> with value <44943> "
[2020-08-05T18:57:23.324 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44884> with value <44884> "
[2020-08-05T18:57:23.606 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44799> with value <44799> "
[2020-08-05T18:57:23.889 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44695> with value <44695> "
[2020-08-05T18:57:24.172 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44612> with value <44612> "
[2020-08-05T18:57:24.450 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44555> with value <44555> "
[2020-08-05T18:57:24.732 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <P44526> with value <44526> "
[2020-08-05T18:57:24.990 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <:SER,44523,0,55080,28228,300#> with value <44523,0,55080,28228,300> "
[2020-08-05T18:57:24.992 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Unhandled event: 44523,0,55080,28228,300 "
[2020-08-05T18:57:25.014 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <:SER,44523,0,55080,28228,300#> with value <44523,0,55080,28228,300> "
[2020-08-05T18:57:25.016 AEST INFO ][ org.kde.kstars.indi] - NexDome : "[INFO] Dome reached target position. "
[2020-08-05T18:57:25.016 AEST DEBG ][org.kde.kstars.ekos.observatory] - Setting dome status to 3
[2020-08-05T18:57:25.016 AEST INFO ][org.kde.kstars.ekos.observatory] - "Dome is tracking."
[2020-08-05T18:57:26.054 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] RES: 15.866003207199668,-16.13268353862685|No error. Error = 0. "
[2020-08-05T18:57:26.056 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[SCOPE] Current RA: 15:51:58 Current DEC: -16:07:58 "
[2020-08-05T18:57:26.267 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Updated telescope Az: 11.273 - Alt: 67.9504 "
[2020-08-05T18:57:26.269 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] JD: 2.45907e+06 - MSD: 5.91565 "
[2020-08-05T18:57:26.269 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] MC.x: 0 - MC.y: -0.1 MC.z: 0.25 "
[2020-08-05T18:57:26.269 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] HA: -0.29209 Lng: 144.874 RA: 237.99 "
[2020-08-05T18:57:26.269 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Active Snoop, driver: Paramount, property: TELESCOPE_PIER_SIDE "
[2020-08-05T18:57:26.270 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OTA_SIDE: 1 "
[2020-08-05T18:57:26.270 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OTA_OFFSET: 0.6 Lat: -37.8414 "
[2020-08-05T18:57:26.270 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OC.x: -0.598247 - OC.y: -0.0718802 OC.z: 0.213802 "
[2020-08-05T18:57:26.271 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Mount Az: 11.273 Alt: 67.9504 "
[2020-08-05T18:57:26.272 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] OV.x: 0.0733862 - OV.y: 0.368166 OV.z: 0.926859 "
[2020-08-05T18:57:26.272 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Calculated target azimuth is 291.569. MinAz: 260.541, MaxAz: 322.596 "
[2020-08-05T18:57:26.273 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] CMD <@GAR,291> "
[2020-08-05T18:57:26.357 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] RES <:GAR> "
[2020-08-05T18:57:26.359 AEST INFO ][ org.kde.kstars.indi] - NexDome : "[INFO] Dome is moving to position 291.569 degrees... "
[2020-08-05T18:57:26.359 AEST DEBG ][org.kde.kstars.ekos.observatory] - Setting dome status to 1
[2020-08-05T18:57:26.360 AEST INFO ][org.kde.kstars.ekos.observatory] - "Dome is moving clockwise..."
[2020-08-05T18:57:26.368 AEST INFO ][ org.kde.kstars.indi] - NexDome : "[INFO] Dome is syncing to position 291.569 degrees... "
[2020-08-05T18:57:27.055 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] CMD: /* Java Script */var Out;sky6RASCOMTele.GetRaDec();Out = String(sky6RASCOMTele.dRa) + ',' + String(sky6RASCOMTele.dDec); "
[2020-08-05T18:57:30.239 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] RES: 15.866004113751316,-16.132674677169803|No error. Error = 0. "
[2020-08-05T18:57:30.241 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[SCOPE] Current RA: 15:51:58 Current DEC: -16:07:58 "
[2020-08-05T18:57:30.405 AEST DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Processing event <XB->Online> with value <Online> "
[2020-08-05T18:57:31.240 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] CMD: /* Java Script */var Out;sky6RASCOMTele.GetRaDec();Out = String(sky6RASCOMTele.dRa) + ',' + String(sky6RASCOMTele.dDec); "
[2020-08-05T18:57:34.288 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[DEBUG] RES: 15.86600500748684,-16.132713644968447|No error. Error = 0. "
[2020-08-05T18:57:34.290 AEST DEBG ][ org.kde.kstars.indi] - Paramount : "[SCOPE] Current RA: 15:51:58 Current DEC: -16:07:58 "
I'll keep digging, but it would appear that