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County Coverage for California Back to US Map

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Transmitter Details
Call SignPowerFrequencyStatus
0 W MHzNORMAL

County Coverage for

StateCountySAMECounty Coverage
AKLake and Peninsula002164 
AKWade Hampton002270 
ASRose Island060030 
ASSwains Island060040 
CATrinity006105 
CATuolumne006109 
COChaffee008015 
COHinsdale008053 
COLake008065 
COPark008093 
CORio Blanco008103 
COSan Juan008111 
FMChuuk*064002 
FMKosrae064005 
FMPohnpeit*064040 
FMYap064060 
HIKalawao015005 
IDCamas016025 
IDCuster016037 
IDShoshone016079 
KYBreckinridge021027 
LAMadison022065 
LATensas022107 
MHAilinginae068007 
MHAilinglaplap068010 
MHAiluk068030 
MHArno068040 
MHAur068050 
MHBikar068060 
MHBikini068070 
MHBokak068073 
MHEbon068080 
MHEnewetak068090 
MHErikub068100 
MHJabat068110 
MHJaluit068120 
MHJemo*068130 
MHKili068140 
MHKwajalein068150 
MHLae068160 
MHLib068170 
MHLikiep068180 
MHMajuro068190 
MHMaloelap068300 
MHMejit068310 
MHMili068320 
MHNamorik068330 
MHNamu068340 
MHRongelap068350 
MHRongrik068360 
MHToke068385 
MHUjae068390 
MHUjelang068400 
MHUtrik068410 
MHWotho068420 
MHWotle068430 
MPNorthern Islands069085 
NMCatron035003 
NMDeBaca035011 
NMGuadalupe035019 
NMQuay035037 
NMSocorro035053 
ORBaker041001 
ORLake041037 
PRAdjuntas072001 
PRArecibo072013 
PRCeiba072037 
PRCiales072039 
PRCoamo072043 
PRFajardo072053 
PRFlorida072054 
PRGuayanilla072059 
PRJayuya072073 
PRJuana Diaz072075 
PRLajas072079 
PRPenuelas072111 
PRPonce072113 
PRSalinas072123 
PRSanta Isabel072133 
PRUtuado072141 
PRVieques072147 
PRVillalba072149 
PWAimeliik070002 
PWAirai070004 
PWAngaur070010 
PWHatoboheit*070050 
PWKayangel070100 
PWKoror070150 
PWMelekeok*070212 
PWNgaraard070214 
PWNgarchelong070218 
PWNgardmau070222 
PWNgatpang070224 
PWNgchesar070226 
PWNgernmlengui*070227 
PWNgiwal070228 
PWPeleliu070350 
PWSonsorol070370 
TXDallam048111 
TXDuval048131 
TXEdwards048137 
TXJim Hogg048247 
TXKarnes048255 
TXLampasas048281 
TXReagan048383 
TXReal048385 
TXTerrell048443 
UMBaker Island074050 
UMHowland Island074100 
UMJarvis Island074150 
UMJohnston Island074200 
UMKingman Reef074250 
UMMidway Islands074300 
UMNavassa Island074350 
UMPalmyra Atoll074400 
UMWake Island074450 
UTPiute049031 
VABedford (city)051515 


Coverage Map Notes
The coverage statistics and maps are calculated using a computer model and station data assuming ideal conditions.
Coverage may be 5 to 10 percent below the computer predicted coverage for the following reasons:
  • The computer model is sensitive to antenna performance. Antenna performance is a function of local conditions, causing signals to be stronger signal level in some directions than others.
  • Most NWR stations are at existing antenna towers, provided at little or no cost.
  • Placement of NWR antennas is dictated by the tower owner, which may result in a less than ideal set up.
  • The antenna may be affected by nearby structures or bodies of water.
  • In some special instances, the antenna may have been intentionally adjusted to be "directional" and provide better coverage to a specific area to the detriment of other areas.
  • Most of the stations employ equipment technology more than 20 years old. Because of variations in local site conditions, the performance of an individual transmitter and antenna may be less than predicted or expected.
  • Seasonal environmental conditions, such as icing or heavy rain, affect performance of a transmitter station and its various components, particularly those subject to continuous weather exposure.
  • The coverage maps are shown in a single color format, which relates to an estimated signal level.
    • White: Signal level of greater than 18dBuV: Reliable coverage

  • The county or counties that are marked with hash markings will receive alert tones from the transmitter. If your receiver is capable you can program the device to alert you when the transmitter sends alert messages. Use the SAME code listed in the county coverage to program your receiver for the county or counties to receive alerts.


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Last Updated: August 22, 2011