Changes from DXCC Database 2.6.0:
Sint Maartin (PJ7): add Add PJ8 as a valid prefix
Kazakhstan (UN): revise to reflect region name changes since 1974
Antarctica (CE9):
remove RI1ANJ - Druzhnaya 1 station lost in 1986
remove RI1ANK - Komsomolskaya closed in 1962
remove RI1ANG - Leningradskaya closed in 1991
Spratly Island (1S): remove DU0K and DX0 as valid prefixes
China (BY): assign to the correct CQ zone 24 to callsigns in the BY7A-H range
Puerto Rico (KP4) : remove the IOTA tag, as a station in KP4 could be operating from NA-099 or the recently-assigned NA-249
North Macedonia (Z3): change entity name from Macedonia
Cocos-Keeling Island (VK9-C): remove check for "C" as fifth character
Lord Howe Island (VK9-L): remove check for "L" as fifth character
Mellish Island (VK9-M): remove check for "M" as fifth character
Willis Island (VK9-W): remove check for "W" as fifth character
Christmas Island (VK9-X): remove check for "X" as fifth character
To upgrade to DXCC Database 2.6.0 to DXCC Database 2.6.1,
if you have DXKeeper, SpotCollector, and/or WinWarbler running, terminate them
If you've been using DXKeeper, SpotCollector, and/or WinWarbler without having installed DXView, direct the Launcher to install DXView
start DXView, open its Configuration window, and select its Databases tab
click the New? button
click the DXCC Database's Upgrade button
terminate and restart DXView
start DXKeeper and SpotCollector when desired