my first "dive computer" (60's): depth gauge, wrist watch and USN table ...
An analogous machine (70's): the deco egg, Bend-O-Matic
the world-famous Hans Hass DECO-BRAIN ® (middle 80's)
2003 - 2006: Aladin TEC, VR3, EMC-20 H Cochran
2007 - 2010: TEC 2G, Galileo SOL, VR3
2011: NHeO from Delta P / VR Technologies
2012 / 2013: EMC-20 H, TEC 2G, NHeO3
2016, 1st. part: Scubapro/UWATEC Aladin [2]
2016, 2nd. part: RATIO iX3M DEEP
2016, 3rd. part: the 50 m deco chamber dive (PDF)
2016, 4th. part: Scubapro/UWATEC MATRIX (PDF)
2017, 1st. part: Ox-Tox in the diving tower (PDF)
2017, 2nd. part: SNAFU: a couple of crashes
2017, 3rd. part: Galileo 2 / G2 (PDF)
2017, 4th. part: Ox-Tox and Galileo 2 / G2 (PDF)
2017, 5th. part: Altitude Diving (PDF)
2018, 1st. part: my Deco-Brain museum, photos from my archive (PDF)
2018, 2nd. part: Galileo 2 / G2: update and USB communication (PDF)
2018, 3rd. part: Altitude Diving, the 2nd ... (PDF)
2018, 4th. part: SNAFU: the second!! Problems with the iX3M Deep (PDF)
2019, 1st. part: Altitude diving, the 3rd & SNAFU with Ratio ... (PDF)
2019, 2nd. part: Altitude diving, the fourth ... check in the airplane (PDF)
2019, 3rd. part: SNAFU: the fourth !!!! (PDF)
2020, SNAFU: the 5th. !!!!! (PDF)
2021, SNAFU: the 6th. !!!!!! and: END (PDF)
2022, 1st. part: Shearwater PERDIX test
2022, 2nd. part: SNAFU #7 and Crash
2022, the Third: a diving computer!
2022, 4th. part: G2 TEK Air / EAN Check
2022, 5th. part: G2 TEK Ox-Tox Check
2022, 6th. part: G2 Version 2.0 firmware tests
2023, 1st. part: PERDIX firmware update
2023, 2nd. part: The land of dormant software and dud dive computers ...
2024, 1st. part: PERDIX data transfer
2024, 2nd. part: the altitude challenge for PERDIX and DCIEM
2024, 3rd. part: Un-Boxing the RATIO iX3M 2 Deep
2024, 4th. part: Diving in Crete: Experiments with the G2 TEK and iX3M 2