Station	Date	Clock period		Station	Date	Clock period		Station	Date	Clock period		Station	Date	Clock period
	(Year,day)	(seconds)			(Year,day)	(seconds)			(Year,day)	(seconds)			(Year,day)	(seconds)
AAK	1994,012	10		DGAR	2004,032	input recorded		KAPI	2009,321	input recorded		PALK	2009,342	input recorded
AAK	1999,072	20		DGAR	2007,118	input recorded		KDAK	1997,163	10		PFO	1992,257	input recorded
AAK	2002,316	20		DGAR	2007,120	input recorded		KDAK	2002,291	input recorded		PFO	1993,156	input recorded
AAK	2003,290	20		DGAR	2008,056	input recorded		KDAK	2004,261	input recorded		PFO	1994,230	10
AAK	2007,299	20		DGAR	2008,057	input recorded		KDAK	2009223	input recorded		PFO	1995,021	10
ABKT	1999,055	20		EFI	1996,059	10		KDAK	2009,224	input recorded		PFO	1995,033	10
ABKT	2006,263	20		EFI	2009,181	input recorded		KIV	1994,032	10		PFO	2001,012	20
ABKT	2009,339	20		EFI	2009,182	input recorded		KURK	1995,085	10		PFO	2001,290	20
ABPO	2007,108	input recorded		ERM	1995,053	10		KURK	2003,341	20		PFO	2008,154	input recorded
ALE	1995,273	10		ERM	1998,096	10		KURK	2005,153	20		PFO	2008,277	input recorded
ALE	2003,237	input recorded		ERM	2003,007	10		KWAJ	1999,320	20		PFO	2009,054	input recorded
ARU	1993,352	10		ERM	2006,242	10		KWAJ	2003,008	20		PFO	2009,181	input recorded
ARU	2009,315	10		ESK	1993,305	10		KWAJ	2005,012	20		PFO	2009,182	input recorded
ASCN	1994,279	10		ESK	2003,303	10		MBAR	1999,269	20		RAYN	1997,033	10
ASCN	1995,188	10		ESK	2010,157	input recorded		MBAR	2000,040	20		RAYN	2010,044	input recorded
ASCN	2003,320	input recorded		ESK	2010,158	input recorded		MBAR	2001,277	20		RPN	1994,042	10
ASCN	2008,163	input recorded		FFC	2001,353	10		MBAR	2004,143	20		RPN	2002,330	input recorded
ASCN	2008,164	input recorded		FFC	2004,126	10		MBAR	2007,068	20		SACV	2000,209	20
ASCN	2009,144	input recorded		FFC	2009,227	input recorded		MBAR	2007,299	input recorded		SACV	2004,072	20
BORG	1994,211	10		FFC	2009,245	input recorded		MSEY	1995,142	10		SACV	2008,152	20
BORG	2003,249	input recorded		FFC	2010,028	input recorded		MSEY	1996,240	10		SHEL	1995,177	10
BORG	2007,025	input recorded		HOPE	1996,348	10		MSEY	2003,038	10		SUR	1996,023	10
BRVK	1994,247	10		HOPE	2002,105	10		MSEY	2004,273	10		SUR	2001,062	10
BRVK	1995,093	10		HOPE	2002,154	10		MSEY	2007,128	10		SUR	2007,165	20
BRVK	1999,039	20		HOPE	2005,287	10		MSVF	1994,147	10		TAU	1994,017	10
BRVK	2005,146	20		HOPE	2007,302	10		MSVF	2002,157	10		TAU	2008,269	input recorded
BRVK	2007,263	20		JTS	1995,113	10		MSVF	2004,231	10		TAU	2008,283	input recorded
CMLA	1996,082	10		JTS	1997,052	10		MSVF	2007,170	input recorded		TAU	2010,027	input recorded
CMLA	1998,109	10		JTS	1997,069	10		MSVF	2008,136	input recorded		TAU	2010,028	input recorded
CMLA	2004,018	10		JTS	1998,288	10		MSVF	2008,137	input recorded		UOSS	2009,131	input recorded
CMLA	2006,238	input recorded		JTS	2000,133	input recorded		NIL	1994,352	10		WRAB	1994,086	10
CMLA	2008,119	input recorded		JTS	2004,134	20		NIL	1997,141	10		WRAB	1997,069	10
CMLA	2008,120	input recorded		JTS	2009,130	input recorded		NNA	2006,162	input recorded		WRAB	2004,224	input recorded
COCO	1996,354	10		JTS	2009,131	input recorded		NNA	2007,312	input recorded		WRAB	2008,281	input recorded
COCO	2003,076	10		JTS	2009236	input recorded		OBN	1998,169	20		WRAB	2008,282	input recorded
COCO	2004,271	10		JTS	2009,237	input recorded		PALK	2000,266	20		WRAB	2009,301	input recorded
COCO	2005,294	10		KAPI	1999,303	20		PALK	2003,046	20
COCO	2005,296	10		KAPI	2002,017	20		PALK	2005,305	20
COCO	2007,195	10		KAPI	2005,224	20		PALK	2007,343	20