2006-03-10 Version 2.3.2 - Add license to the source code - Adjust the distance calculation 2005-01-26 Version 2.3.0 - Improve ultrasound directionality - Update manual - Various fixes 2004-10-26 Version 2.2.2 - Improve ultrasound coverage 2004-10-15 Version 2.2.1 - Add missing source file. 2004-10-13 Version 2.2.0 - Change ultrasound back to 53 ms. - Fix scheduling bug due to wrong wait time - Add ultrasound gain settings. - Various small fixes. 2004-08-24 Version 2.0.1 (remaned from 1.0.1) - Change ultrasound timeout to 60 ms for now until we adjust the ultrasound sensitivity. - Add 2 ms delay after turning on the radio - Add more desync delay between chirps (the value is now between 0 and 500 us as oppose to between 1 and 5 us) - Change RF frequency to fix overlap to improve radio connectivity (WARNING: this change create the need to upgrade all Crickets both listener and beacons, at the same time because the frequencies between version 1.0 and 1.0.1 are not compatible). - Increase the RF power to the same value as the mica2 - Fix some output for some of the P directive. - Add timestamp of the compilation time. - Fix where made to internal system time in TinyOS to make it more precise. 2004-07-29 Version 1.0 Initial release