Table 1. Ozone Sounding Stations Used During the IONS-06 Measurement Campaign in August 2006, and the Number of Ozonesonde Profiles Involved in Calculating the Mean Sonde Profiles

Station Name	Latitude, degreesN	Longitude, degreesE	Number
Barbados	13.2			-59.5			23
Beltsville	39.0			-76.5			12
Boulder		40.0			-105.2			31
Bratts Lake	50.2			-104.7			29
Edmonton	53.6			-114.1			4
Egbert		44.2			-79.8			15
Holtville	32.8			-115.4			20
Houston		29.7			-95.4			16
Huntsville	35.3			-86.6			29
Kelowna		49.9			-119.4			27
Mexico		19.4			-98.6			10
Narragansett	41.5			-71.4			28
Paradox		43.9			-73.6			5
Ron Brown	29.7			-95.4			16
Sable		44.0			-60.0			28
Socorro		36.4			-106.9			25
Table Mountain	34.4			-117.7			31
Trinidad Head	40.8			-124.2			30
Valparaiso	41.5			-87.0			5
Wallops Island	37.9			-75.5			11
Walsingham	42.6			-80.6			10
Yarmouth	43.9			-66.1			13