This release - when loading a Sub-band definition file, informs the user if a lower-bound or upper-bound frequency is erroneous (tnx to Phil N9LAH) - provides the ability to search the Special Callsign List for a specified callsign (tnx to Paul VE1DX) - updates the ConfigurationSpecialCallsigns.htm documentation file SpotCollector 6.3.0 is available via the DXLab Launcher, and via 73, Dave, AA6YQ