This release - in the Special Callsign list, treats tags comprised only of spaces as if they were empty - when checking for a Special Callsign match, examines all three segments of a callsign containing two slash characters - improves performance by caching the results of the most recent 4 Special Callsign lookups - adds Help buttons to the Config window's Entity Overrides, Audio, and Special Callsigns tab (tnx to Joe W4TV) - updates the ConfigurationGeneral.htm, ConfigurationSpecialCallsigns.htm, annd SpotDatabase.htm online documentation files (tnx to Bill W6WRT and Mike K9UW) SpotCollector 4.6.0 is available via the DXLab Launcher, and via 73, Dave, AA6YQ