1558  Carlson SurvCE Complete upgrade from TS
1487  Carlson SurvCE Complete upgrade from RTS
1465  Carlson SurvCE Complete upgrade from GPS

1473  Carlson SurvCE GPS w/ Adv. Rdg upgrade from TS
1506  Carlson SurvCE GPS w/ Adv. Rdg upgrade from TS w/ Adv Rdg
1562  Carlson SurvCE GPS w/ Adv. Rdg upgrade from RTS
1563  Carlson SurvCE GPS w/ Adv. Rdg upgrade from RTS w/ Adv Rdg
1446  Carlson SurvCE GPS w/ Adv. Rdg upgrade from GPS

1472  Carlson SurvCE GPS upgrade from TS
1444  Carlson SurvCE GPS upgrade from RTS

1475  Carlson SurvCE RTS w/ Adv. Rdg upgrade from TS
1566  Carlson SurvCE RTS w/ Adv. Rdg upgrade from TS w/ Adv Rdg
1567  Carlson SurvCE RTS w/ Adv. Rdg upgrade from RTS

1474  Carlson SurvCE RTS upgrade from TS

1570  Carlson SurvCE TS w/ Adv. Rdg upgrade from TS

800    Carlson Field 2006
1251  Carlson Field 2006 upgrade (1)
1026  C&G Field Plus
1030  C&G Field GPS2
1027  C&G Field Robotics (2)

  (1) upgrade from all previous versions of Carlson Tsunami
  (2) add-on software, customer must own C&G Field Plus