A
- ABERDEEN, MS
- ABERDEEN, WA
- Aberdeen WSO A. SD
- Abilene TX
- ACADEMY, SD
- ADA, MN
- ADRIAN 2NNE, MI
- AIKEN 4NE, SC
- Akron/A-C Reg. OH
- Alamosa CO
- Albany/County NY
- ALBANY 3SE, GA
- ALBERT LEA 3SE, MN
- ALBIA, IA
- ALBION, NE
- Albuquerque/Int'l NM
- ALEDO, IL
- ALEXANDRIA, SD
- ALGONA 3W, IA
- ALICE, TX
- ALLEGAN, MI
- Allentown/Beth. PA
- ALLIANCE, NE
- ALMA, MI
- Alpena MI
- Amarillo/Int'l TX
- AMHERST, MA
- Amite LA
- Anchorage/Int'l AK
- ANDERSON, SC
- ANDERSON SEWAGE PLANT, IN
- ANGELICA, NY
- Annette Island AK
- Apalachicola/Mun. FL
- ARCADIA, FL
- Asheville/Reg. NC
- ASHLAND 3NE, NE
- ASHLAND EXPERIMENT FARM, WI
- Astoria/Clatsop OR
- ATCHISON, KS
- Athens/Mun. GA
- Atlanta/Mun. GA
- ATLANTIC CITY, NJ
- Atlantic City NJ
- AUBURN 2NE, NY
- AUBURN 5ESE, NE
- AUGUSTA, MT
- Augusta/Bush Fld. GA
- AURORA, IL
- Austin/Mueller TX
