Station Lists and Databases

USA	FCC AM Database - basic searchable database with technical data, coordinates, etc
USA	FCC TIS Database - TIS and HAR listing by frequency
USA	100000watts.com - incomplete listing of AM stations; includes formats, slogans, networks, etc
MEXICO	CIRT Mexico Listing - Camara Nacional de la Industria de Radio y Television listing
MEXICO	Fred Cantu's Mexico Listing - listed by state, includes slogans
MEXICO	CorazonDX - a site focused on Mexican and Latin American DX'ing
MEXICO	SCT Mexico AM List - click on a state for listings
MEXICO	Mexican AM Stations on the Web - list of station's URL's; useful for ID'ing and finding streaming audio
CANADA	Canadian Radio and TV Database - downloadable in a ZIP compression
N.A.	WTFDA member W9WI's North American TV Database - very accurate and searchable!  Useful to track down unID stations advertising local TV programs

Time and Sunrise/Sunset Information
Sunrise/Sunset Calendar - SR and SS times are important for AM DX
Timezone and Sunrise/Sunset Info - search by major city

Real-time Propagation and Condition Information
Today's Space Weather - graphs and text overview of solar activy and geomagnetic activity
Space Weather Now - NOAA's Space Environmental Center information
WWV Report - text version of the WWV solar indice report
SEC Conditions and 72 Hour Forecast - text summary and forecast, incl. event probability
MW DX Propagation Logger - see and share DX tips at this site

More Propagation Information
160 M Propagation Overview - The 160M ham band has some similar properties to the AM BCB
Propagation Primers, Glossaries, and Overviews - from AMFMDX.net

Maps and Radio Station Locators
Radio Locator - get coordinates and map exact locations of transmitter sites
Area Code Map
Mexico States

Clubs and Organizations
National Radio Club - oldest AM/MW DX'er club, with 30 DX bulletins/magazines a year and an audio service!
International Radio Club of America - another solid AM/MW DX club
Ontario DX Association - large club of many North American DX'ers covering all bands (AM, FM, SW, etc)

Print Resources
IRCA's Mexican Log, 7th Edition (2001) - created by the International Radio Club of America (IRCA). An authoratative guide! View updates here
NRC AM Log - USA/Canada only, but useful in ID'ing those domestic SS language stations
World Radio and TV Handbook (WRTH) - a must have book including AM/MW, LW, and SW broadcast info from around the world