Cabrillo
The CABRILLO format. 
Update 2021-08-23: The CONTEST: tag definition is changed to SMP (SMP-MAY and SMP-AUG is no longer valid)
Summary Sheet Specification:
START-OF-LOG: version-number
 Must be the first line of the log submission.
 The current version-number is 2.0.
END-OF-LOG:
 Must be the last line of the log submission.
CALLSIGN: callsign
 The callsign used during the contest.
CATEGORY: operator-category
 For SMP contests the operator-category must be one of the following:
 SINGLE-OP-CW, SINGLE-OP-SSB, SINGLE-OP-MIXED,
 MULTI-ONE-CW, MULTI-ONE-SSB, MULTI-ONE-MIXED or CHECKLOG.
CLAIMED-SCORE: n
 The claimed-score of the log submission, in integer form
 such as 1217315 or 19113 or 12.
CLUB: text
 Name of the radio club with which the score should be aggregated.
CONTEST: contest-name
 The contest-name must be SMP.
CREATED-BY: text
 Name and version of the logging program used to create the Cabrillo file.
NAME: text
ADDRESS: text
ADDRESS: text
ADDRESS: text
ADDRESS: text
 … [as many as needed…]
 Name and address.
OPERATORS: callsign1 [callsign2 callsign3…]
 A space-delimited list of operator callsign(s).
SOAPBOX: text
SOAPBOX: text 
 … [as many as needed…]
 Soapbox comments.
QSO: QSO-data
 QSO data as specified by the Cabrillo QSO data format.
Cabrillo QSO Template:
----------info sent---------- ----------info rcvd----------
QSO: freq mo date time call rst ex1 ex2 call rst ex1 ex2 t
QSO: * ** yyyy-mm-dd nnnn * nnn **** ** *** nnn **** *
QSO: 3500 CW 2004-05-16 0748 SK3BG/P 559 05 JP82QK OH0/SM0AIG/P 579 04 JP90TG 0
0000000001111111111222222222233333333334444444444555555555566666666667777777777888888888899
1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901
freq:
 Integer frequency in kHz; [ ex. 3542, 7021 ]
 If frequency not known then 3500 or 7000
mo:
 CW or PH
date:
 UTC date in yyyy-mm-dd form [ ex. 2004-05-16 ]
time:
 UTC time in nnnn form [ ex. 0748 ]
call:
 callsign
rst:
 RS or RST
ex1:
 contest exchange (power multiplier) [ ex. 01, 02, 03, 04 or 05 ]
ex2:
 contest exchange (locator) [ ex. JP82QK ]
t:
 transmitter id 0, 1, 2, 3, 4 or 5
 (used in the multi-multi category or to show which radio when 2-RADIOS)
 
