************************************************************
 ____  _                   _                  _  ___   ___  
/ ___|(_) __ _ _ __   __ _| |_ _   _ _ __ ___/ |/ _ \ / _ \ 
\___ \| |/ _` | '_ \ / _` | __| | | | '__/ _ \ | | | | | | |
 ___) | | (_| | | | | (_| | |_| |_| | | |  __/ | |_| | |_| |
|____/|_|\__, |_| |_|\__,_|\__|\__,_|_|  \___|_|\___/ \___/ 
         |___/
         
************************************************************

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Release Signature Version SECV6549_BBPV2215_15.ad2
==================================================
Date 24/03-2023

Description Doppler (BBP):
   - Fix of a Ethernet connection problem in version 2215_10, 2215_13 and 2215_14 when using internal battery.
   - Fix lack of time stamp in one of the NMEA telemetry formats.
   
Description Network (SEC):
   - No changes.

==================================================
Release Signature Version SECV6549_BBPV2215_14.ad2
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Date 20/03-2023

Description Doppler (BBP):
   - Support for new hardware component variants.
   
Description Network (SEC):
   - No changes.

==================================================
Release Signature Version SECV6549_BBPV2215_13.ad2
==================================================
Date 09/03-2023

Description Doppler (BBP):
   - Support for new SD cards.
   - File system improvements.
   
Description Network (SEC):
   - Support for new hardware component variants.

==================================================
Release Signature Version SECV6463_BBPV2215_10.ad2
==================================================
Date 10/02-2023

Description Doppler (BBP):
   - Calibration mode added for Sig100 echosounder which allows 1 Hz sampling rate for profiles less than 50 m.
   - Implemented support for XY coordinates for two beam operation when they point 180 degrees from each other. 
     The X-axis points in the direction of the lowest selected beam. Telemetry is also supported.
   - Support for external heading input through the NMEA HDT message. Declination can be used for mounting alignment.
   - Support for new hardware component variants.
   - Increased maximum number of files in files system to 4095.
   - File system Improvements.
   - Implemented FF and TF arguments in RECSTAT (Free Files and Total Files) to show the amount of total and remaining 
     files available for storage.
   - ShortInit AHRS option is now shown in GETALL through GETAHRSHW.
   - Fixed header problem in split files.
   - Fixed bug in built in test when telemetry was configured when the BIT was performed.
   - Changed capacitor bank built-in-test to measure energy instead of current.
   
Description Network (SEC):
   - Support for increased number of files on the recorder.

==================================================
Release Signature Version SECV6056_BBPV2214_12.ad2
==================================================
Date 15/04-2021

Description Doppler (BBP):
   - Improved performance at Low SNR.
   - Fixed missing time stamp in triggered sampling.
   
Description Network (SEC):
   - PTP improvements
   
==================================================
Release Signature Version SECV5983_BBPV2214_9.ad2
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Date 04/03-2021

Description Doppler (BBP):
   - Improved inter processor communication during SEC power up.
   
Description Network (SEC):
   - Improved inter processor communication during SEC power up.

==================================================
Release Signature Version SECV5956_BBPV2214_8.ad2
==================================================
Date 22/02-2021

Description Doppler (BBP):
   - No changes.
   
Description Network (SEC):
   - Fixed problem with interrupted firmware upgrades that required a work around to complete the upgrade process in the 
     previous firmware release.

==================================================
Release Signature Version SECV5918_BBPV2214_7.ad2
==================================================
Date 10/02-2021

Description Doppler (BBP):
   - Fixed problem with Checksum in NMEA-messages: $PNORS4 and $PNORS3.
   
Description Network (SEC):
   - Fixed a problem when establishing the communication between the SEC and the BBP that occurred in certain configurations 
     when the SEC was powered up.

==================================================
Release Signature Version SECV5883_BBPV2214_6.ad2
==================================================
Date 29/01-2021

Description Doppler (BBP):
   - Increased Signature100 Current Profile Maximum Cell Size from 15 meters to 16 meters.
   - Fixed bug in stored synthetic echo sounder chirp where the impedance corrected amplitude was used for the imaginary value.
   - Improved SD-card initialization to solve problem with 128GB card in certain configurations.
   
Description Network (SEC):
   - Changed behavior where instruments with newer version than released would display "Up to date" on "Maintenance" page. 
     They will now display "Pre-release" in dark orange color if either SEC or BBP is newer.
   - NTP/PTP Improvements.
   
==================================================
Release Signature Version SECV5422_BBPV2212_11.ad2
==================================================
Date 25/11-2019

Description Doppler (BBP):
   - Fixed bug in triggered operation which did not work in the previous version.
  
Description Network (SEC):
   - Added Ethernet clock synchronization holdover by keeping the BBP synchronized to the SEC 
if the SEC has been synchronized to an external clock even if the external clock is lost.

===================================================
Release  Signature Version SECV5396_BBPV2212_10.ad2
===================================================
Date 7/11-2019

Description Doppler (BBP):
   - Improved AHRS Flash Handling.
   - Fixed bug causing erroneous Timestamps and Sensor data.
   - File system Improvements.
   - Start using extended dynamic range for altimeter processing also in ICE Releases.
   - Moved bringUpBoostVoltage() to the start of initMeasurementSerie() for added margin of cap bank recharge during the startup sequence. 
   - Decreased maximum MIAVG to 7200 seconds to avoid potential cap bank discharge problems.

Description Network (SEC):
   - Check for special characters (^C / ^X) anywhere within an ASCII user command sent over telnet.

===================================================
Release  Signature Version SECV5248_BBPV2212_9.ad2
===================================================
Date 17/10-2019

Description Doppler (BBP):
   - New AHRS FW "OSv6_a2_V5101_0.6 Oct  3 2019" for revision D-1 AHRS Boards.
   - Changed file system transaction scheme to avoid multiple transactions on power down.
   - General bug fixes.

Description Network (SEC):
 - The BBP update status now has a REFORMAT REQUIRED message included.

===================================================
Release  Signature Version SECV5217_BBPV2211_4.ad2
===================================================
Date 17/6-2019

Description Doppler (BBP):
   - Fixed issues with configurations not using all 4 beams.
   - Removed Pressure Sensor noise seen at some configurations.
   - File system - general bug fixes.

Description Network (SEC):
   - No changes.


===================================================
Release  Signature Version SECV5217_BBPV2211_1.ad2
===================================================
Date 23/5-2019

Description Doppler (BBP):
   - Fixed bug in boost handling for low frequency systems with AHRS.
   - AHRS FW "OSv6_A2_V5101_0.2 May 22 2019" for revision D-1 AHRS Boards.
   - AHRS FW upgrade for both D-0 and D-1 board supported.
   
Description Network (SEC):
   - Use WebSockets to update the firmware image.  This greatly reduces the amount
     of memory consumed during the upgrade process.
   - When reformatting the first partition, if the file system is not the new filesystem,
     have the Doppler processor do the reformat to preserve backwards compatibility.
   - Reduced memory usage


===================================================
Release  Signature Version SECV5150_BBPV2210_14.ad2
===================================================
Date 12/4-2019

Description Doppler (BBP):
   - Replaced FAT32 File System with a transactional file system for increased robustness.
   - Added fix for bug causing a maximum of 100 splitted files (1GB) on the recorder.
   - Fixed reading of Water Temperature Sensor at low temperatures.
   - Improved data download commands.
   - Fixed problems when measuring current profile and echosounder concurrently:
        o Non-continuous AVG became continuous.
        o Average ping intervals for concurrent burst and average measurements.
        o Power down timing that occurred in combination with echo sounder.

Description Network (SEC):
   - Added support for the new transactional file system.


===================================================
Release  Signature Version SECV4937_BBPV2208_1.ad2
===================================================
Date 4/1-2019

Description Doppler (BBP):
   - Fixed bug in average mode ping schedule.
   - Fixed bug in boost control of the cap bank voltage.
   
Description Network (SEC):
   - No changes.
   
   
===================================================
Release Signature Version SECV4937_BBPV2208_0.ad2
===================================================
Date 4/10-2018

First Release.