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Subsurface Divelog

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This group is intended for users of Subsurface. Questions, support requests, suggestions...
New members are initially moderated because of a massive amount of spam - I will try to be very responsive to get actual content approved quickly.

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Colin Brenton, Michael Keller2

6:10 PM

Beginner questions (probably easy ones, lol)

Hi Colin. On Mon, 16 Feb 2026 at 12:03, 'Colin Brenton' via Subsurface Divelog <subsurface

unread,

Beginner questions (probably easy ones, lol)

Hi Colin. On Mon, 16 Feb 2026 at 12:03, 'Colin Brenton' via Subsurface Divelog <subsurface

6:10 PM

Claude Hähni, … Roney Rodrigues10

Feb 14

Duplicate dive Sites and wrong number of dives for site

I've created a PR with a proposed fix: Fix dive-site duplication by resetting pending-site state

unread,

Duplicate dive Sites and wrong number of dives for site

I've created a PR with a proposed fix: Fix dive-site duplication by resetting pending-site state

Feb 14

Roman Weger, … Christof Schernus20

Feb 13

Error opening port Com6 ( Mares Nemo Wide )

Dear all, Thank you for the support! I look forward to downloading my next dive profile! B-ö (

unread,

dive-computer-support

Error opening port Com6 ( Mares Nemo Wide )

Dear all, Thank you for the support! I look forward to downloading my next dive profile! B-ö (

Feb 13

Vlad Pambucol, Michael Keller3

Feb 12

Subsurface on Android and Galileo Luna computer

Hello, Although not the answer I have hoped for, thank you for your prompt answer. Vlad On Tue, Feb

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Subsurface on Android and Galileo Luna computer

Hello, Although not the answer I have hoped for, thank you for your prompt answer. Vlad On Tue, Feb

Feb 12

Brian Hanrahan, Jef Driesen2

Feb 10

Sherwood Logic BLE protocol

On 2026-02-10 05:35, Brian Hanrahan wrote: > Love SubSurface app, but couldn't get it to sync

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Sherwood Logic BLE protocol

On 2026-02-10 05:35, Brian Hanrahan wrote: > Love SubSurface app, but couldn't get it to sync

Feb 10

Joe Williams, … TG6

Feb 10

Good day. Thanks for all the great work, any news on this? My Seac Tablet has FW 1.0.11 and sync with

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Good day. Thanks for all the great work, any news on this? My Seac Tablet has FW 1.0.11 and sync with

Feb 10

tool man, … Jef Driesen9

Feb 8

Subsurface not communicating with computer

It is in PC Mode. I'm thinking its a busy serial port, just trying to figure out what is using it

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Subsurface not communicating with computer

It is in PC Mode. I'm thinking its a busy serial port, just trying to figure out what is using it

Feb 8

Evan Foster, … Jason Bramwell4

Feb 8

Is there an API for Subsurface?

Evan This might help to point you in the right direction with our code. Subsurface Divelog subsurface

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Is there an API for Subsurface?

Evan This might help to point you in the right direction with our code. Subsurface Divelog subsurface

Feb 8

Magnus boden, Michael Keller3

Feb 5

Transmitter pressures in the graph

Hello, Thanks for the answer, I would be happy with no change to the logic of sac calculations and

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Transmitter pressures in the graph

Hello, Thanks for the answer, I would be happy with no change to the logic of sac calculations and

Feb 5

deepdive07, Linus Torvalds2

Feb 5

Unable to open Suunto (EON Steel Black)

On Thu, 5 Feb 2026 at 09:12, deepdive07 <deepd...@gmail.com> wrote: > > I tried two

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Unable to open Suunto (EON Steel Black)

On Thu, 5 Feb 2026 at 09:12, deepdive07 <deepd...@gmail.com> wrote: > > I tried two

Feb 5

medico ArgoTeam, … Olivier VIENNET6

Feb 2

unable to upload dive log to the cloud

Hello, Same problem for me. I wrote a mail to Dirk. Kind regards Olivier Le dimanche 1 février 2026 à

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unable to upload dive log to the cloud

Hello, Same problem for me. I wrote a mail to Dirk. Kind regards Olivier Le dimanche 1 février 2026 à

Feb 2

laurie_...@yahoo.co.uk, … Michael Keller7

Feb 1

Import logs from two dive computers

Hi Laurie. On 1/02/26 10:50, 'Laurie Miller' via Subsurface Divelog wrote: As a side note to

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Import logs from two dive computers

Hi Laurie. On 1/02/26 10:50, 'Laurie Miller' via Subsurface Divelog wrote: As a side note to

Feb 1

Kendra Hornick, Michael Keller2

Feb 1

Cressi App to Subsurface

Hi Kendra. On 2/02/26 03:41, Kendra Hornick wrote: > I am trying to convert the .json to something

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Cressi App to Subsurface

Hi Kendra. On 2/02/26 03:41, Kendra Hornick wrote: > I am trying to convert the .json to something

Feb 1

Mark Levinsohn, Michael Keller3

Jan 29

Support for Kospet Tank M4

Michael, not that I know. However, I have been working with their support department to fix bugs /

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Support for Kospet Tank M4

Michael, not that I know. However, I have been working with their support department to fix bugs /

Jan 29

Larry Woodcock, Michael Keller3

Jan 28

CSV Import Limits

Subsurface 6.0.5436-CICD-release Windows 11 Enterprise (10.0.22631) Physical memory is 288GB On

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CSV Import Limits

Subsurface 6.0.5436-CICD-release Windows 11 Enterprise (10.0.22631) Physical memory is 288GB On

Jan 28

Dietmar Flubacher, … Le TNZ14

Jan 25

Suunto Nautic - will it be supported?

Hi everyone, I come back from my N3 / CMAS confirmation with 2 dives around 40m. It was the first

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Suunto Nautic - will it be supported?

Hi everyone, I come back from my N3 / CMAS confirmation with 2 dives around 40m. It was the first

Jan 25

Jan 18

Re: Mac App - No cloud options enabled

Hi Jim. Go into Preferences (or Settings), Cloud. There you fill find the instructions to connect to

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Re: Mac App - No cloud options enabled

Hi Jim. Go into Preferences (or Settings), Cloud. There you fill find the instructions to connect to

Jan 18

Thomas JACOB, … Michael Keller5

Jan 18

CCR Diluent error message

Hi Thomas. On Mon, 19 Jan 2026 at 09:09, Thomas JACOB <opi...@gmail.com> wrote: I reinstalled

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CCR Diluent error message

Hi Thomas. On Mon, 19 Jan 2026 at 09:09, Thomas JACOB <opi...@gmail.com> wrote: I reinstalled

Jan 18

Peter Krause, Dirk Hohndel2

Jan 18

Installation running Tumbleweed

We have given up on creating binaries for opensuse as there appeared to be no users and the build

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Installation running Tumbleweed

We have given up on creating binaries for opensuse as there appeared to be no users and the build

Jan 18

Andrew Goldby, … Michael Keller7

Jan 17

Remembered Computers

Hi Andy. On 18/01/2026 12:02, Andrew Goldby wrote: > That sounds perfect ... I'll take a look

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Remembered Computers

Hi Andy. On 18/01/2026 12:02, Andrew Goldby wrote: > That sounds perfect ... I'll take a look

Jan 17

Magnus Lundstedt, … Jef Driesen7

Jan 17

logging sidemount AI dives.

On 1/17/26 07:22, Magnus Lundstedt wrote: > Heres a log from the X3m Your ix3m dives also contain

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logging sidemount AI dives.

On 1/17/26 07:22, Magnus Lundstedt wrote: > Heres a log from the X3m Your ix3m dives also contain

Jan 17

Buddy Mckinney, … Lars Dennert17

Jan 15

can't download garmin computers

You can contact me directly at larsd...@gmail.com On Thursday, January 15, 2026 at 2:05:50 PM UTC-

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can't download garmin computers

You can contact me directly at larsd...@gmail.com On Thursday, January 15, 2026 at 2:05:50 PM UTC-

Jan 15

Ryan Holden, Michael Keller5

Jan 15

Feature request: GF 0/0 & compartment pressure values.

Hi Michael, Whilst it might be a bug in the version I'm using, I'm not looking to have it

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Feature request: GF 0/0 & compartment pressure values.

Hi Michael, Whilst it might be a bug in the version I'm using, I'm not looking to have it

Jan 15

Ryan Holden, … Michael Keller21

Jan 12

Profile window information correct - equipment tab info incorrect.

Hi Ryan. https://github.com/subsurface/subsurface/pull/4678 should have a fix for the problem that

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Profile window information correct - equipment tab info incorrect.

Hi Ryan. https://github.com/subsurface/subsurface/pull/4678 should have a fix for the problem that

Jan 12

Claude Hähni, … Michael Keller10

Jan 9

Shearwater Swift GPS support

Hi BB. On 10/01/2026 13:55, BB Ocean Adventures wrote: > My swift transmitter with GPS, downloads

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Shearwater Swift GPS support

Hi BB. On 10/01/2026 13:55, BB Ocean Adventures wrote: > My swift transmitter with GPS, downloads

Jan 9

Andrew Lovering, … Robert C. Helling3

Jan 8

OTU calculation equation

For a number of reasons, the foundations of calculating OTU's are not very sound. I have written

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OTU calculation equation

For a number of reasons, the foundations of calculating OTU's are not very sound. I have written

Jan 8

Andjela Tomic, … Dirk Hohndel6

Jan 8

Equipment tab - maybe some additional fields in the table

Dear Michael and Dirk, I truly love Subsurface, and one of its core values, is for sure, the ability

unread,

Equipment tab - maybe some additional fields in the table

Dear Michael and Dirk, I truly love Subsurface, and one of its core values, is for sure, the ability

Jan 8

Alon Dotan, Michael Keller2

Jan 6

Issue with import dive from petrel 3

Hi Alon. On 05/01/2026 21:09, Alon Dotan wrote: > someone else have this issue? Please avoid

unread,

Issue with import dive from petrel 3

Hi Alon. On 05/01/2026 21:09, Alon Dotan wrote: > someone else have this issue? Please avoid

Jan 6

Don Naber, Michael Keller2

Jan 6

Add default Wetsuit and Weight

Hi Don. On 06/01/2026 04:51, Don Naber wrote: > Would it be possible to add weight and wetsuit to

unread,

Add default Wetsuit and Weight

Hi Don. On 06/01/2026 04:51, Don Naber wrote: > Would it be possible to add weight and wetsuit to

Jan 6

12/31/25

A strange decompression calculation

I'm making a dive plan. Air, 20 meters, 999 minutes. GF = 100/100. Diving speed = ascent speed =

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A strange decompression calculation

I'm making a dive plan. Air, 20 meters, 999 minutes. GF = 100/100. Diving speed = ascent speed =

12/31/25

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