Spectrum markers enhancements
New dialog to manage spectrum markers with enhanced functionality, See here for details. Implements issue #923
Other changes and fixes
- Pager demod: Add support for character set mapping. PR #966
- Pager demod: Add extra Hebrew charaters. PR #975
- Radio Clock: Add support for WWVB and display daylight saving. PR #968
- Antenna Tools: various additions and enhancements. PR #970
- Satellite Tracker: LOS handling fixes. Issue #893. PR #974
- DATV Mod: Add UDP buffer utiliziation in GUI on Windows. PR #976
- File record. timestamp resolution to milliseconds. Issue #980. PR #981