Revillagigedo  QSOs  count for DXCC on or after 1945-11-15.

QST, dated August 1956, reports:

 "Announcement is hereby made of the following addition to the ARRL Countries List. The addition will be RevillaGigedo. This group of islands is located approximately 420 miles west of Colima, Mexico, in the Pacific Ocean and includes the islands of San Bernedicto, Socorro and Roca Partida.

 DXCC credit will be given for Revilla Gigedo starting October 1, 1956, for confirmations dated on or after November 15, 1945." <snip>

                                                        Revillagigedo location map, credit Holger Behr - Wikipedia

See Ranking in "Most Wanted" league.


The entity of Revillagigedo .comprises the islands of  Roca Partida, San Benedicto, Socorro (aka San Tomas, Benito Juarez).and Clarion (aka Santa Rosa).


The IOTA reference for the Revillagigedo group is NA-030, and the remote Clarion Island is NA-115.


Whitelisting

Revillagigedo  is a whitelisted DXCC entity. The following table lists stations known to have been QRV from Revillagigedo, and which are thought to be good for DXCC credit.

The callsigns below are the only ones that Club Log will map to Revillagigedo. These callsigns have been taken from QSL cards and other sources.

Callsigns that are not listed below, or QSOs outside the exception date range, will be not be mapped to  Revillagigedo, but will be mapped as INVALID.

Please advise any missing valid Revillagigedo callsigns to Alan, 5B4AHJor via the Help Desk. 

Call
IslandDate/Note (follow callsign links to see exact dates, QSLs and additional notes)
XE4A
Socorro1956 - June
XE4B
Socorro1959 - July
XE1CV/XF4, XE1YJ/XF4
Socorro1961 - November
XE5L
Socorro1965 - December
XE1PJL/XF4
Socorro & San Benedicto1967 - August
XE1PJL/4A4
Socorro1968 - October.
XE1PJL/XF4
Socorro1968 - December
XF4EB, XF4J, XF4KS
Socorro1969 - December
6D4EB, 6D4FFC, 6D4IX, 6D4J
Socorro1972 - March
XF4FFC, XF4IX, XF4J
Socorro1973 - March XF4FFC QSL image required
XF4YK
Socorro1973 - September/October
XF4JJ
Socorro1977 - October
XF4MDX
Socorro1979 - June 
XF4EH, XF4IX, XF4J
Socorro1979 - July
4A4MDX, 4B4MDX
Socorro1980 - July
XE1JJU/XF4
San Benedicto1982 - February
XF4MDX, 6J5LM
Socorro1982 - February
XF4MDX
QTH required
1985 - April
XF4DX
Socorro1987 - February
XF4CIS
Socorro1987 - December
XE2HUM/XF4
Clarion1988 - March/April 
XF4C
Socorro1988 - December 
XF4L
Socorro1989 - April
XF4F
Socorro?1989 - 1993 (resident military commander) QSL image required
XF4T
Socorro1989 - November/December
XF4/AA7AF
QTH required1990 - February QSL image required
XF0C
Clarion1991 - February/March
XF0C
Clarion1992 - February/March
XF4JC
Socorro1993 - January
XF4CI
Socorro1993 - December until 1994 - January
XF4C
Clarion1994 - February/March
XF4M
Socorro1994 - October
XF1IAB
Socorro1995 - February
XF0C
Clarion1995 - March
XF4RTD
Socorro1995 - June QSL image required
XE1CCB/XF4, XE1IGR/XF4
QTH required
1995 - December QSL image required
XF4CA
Clarion1997`- January
XF4MX
Socorro1999 - March
XF4LWY
Socorro2000 - March
XF4IH
Socorro2004 - March
XE1AY/XF4
QTH required
2004 - November QSL image required
XF4DL
Socorro2006 - October/November
XF4K
Clarion2006 - November
6E4LM, XF4YK, XF4YW
Socorro
2007 - November/December
6E4LM, XF4YK, XF4YW
Clarion2007 - December
4A4A
Socorro2011 - March
4B4B
Socorro2018 - March





Operations that didn't count or didn't happen
XE1PJL/XF4
1968 - March - aborted at the last minute.
XF4/XE2HUM

1988 - Maritime Mobile before operating from Clarion Island
XF4T

1992 - February - pirate operation
XF4IH
Cacaluta2002 - Mexico


Acknowledgements & References

DXNS - various issues

DXXE Gaceta #1, #12, #13, #17

Ham Gallery by K8CX: Revillagigedo, North America

QST August 1956

Wikipedia Revillagigedo Islands