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Broadcast site profile
Type an address or drop in coordinates. You get the site's coordinates in NAD83 and NAD27, ground elevation, county and districts, which FM zone and side of the Mississippi it's on, and how close it is to the Canadian and Mexican borders.
Location
| NAD83 | 47° 36′ 24.3″ N 122° 19′ 11.4″ W47.606750, -122.319833 |
|---|---|
| NAD27 | 47° 36′ 24.9″ N 122° 19′ 06.9″ WNOAA NADCON 5 |
| UTM (NAD27) | UTM Zone 10: 5,272,619.7 m N, 551,216.1 m E |
| Ground elevation | 103.7 m (340 ft) AMSLFCC terrain service, USGS 1 arc-second data |
Census geography
| State | WashingtonGEOID 53 |
|---|---|
| County | King CountyGEOID 53033 |
| Place | Seattle cityGEOID 5363000 |
| County subdivision | Seattle CCDGEOID 5303392928 |
| Urban area | Seattle--Tacoma, WA Urban AreaGEOID 80389 |
| Census tract | Census Tract 86GEOID 53033008600 |
| Census block | Block 3003GEOID 530330086003003 |
| Congressional district | Congressional District 9GEOID 5309 · 120th Congressional Districts |
| State senate district | Legislative (Senate) District 37GEOID 53037 · 2026 State Legislative Districts - Upper |
| State house district | Legislative (House) District 37GEOID 53037 · 2026 State Legislative Districts - Lower |
| 2020 block population | 1,366 |
| FCC market areas | CMA020, BEA170, MTA024, BTA413, PEA016FCC Area API: Cellular Market Area, Economic Area, Major and Basic Trading Areas, Partial Economic Area |
FCC rule zones
| FM zone (§73.205) | Zone II (§73.205(c)) |
|---|---|
| Mississippi River | WestNew call signs start with K (§73.3550(e)); FM translators use the §74.1235(b)(2) table |
| Mexican border | 1,721 km (1,069 mi) |
| Canadian border | 102 km (63 mi) |
- Within 320 km of Canada: FM stations follow the 1991 U.S.-Canada FM Agreement (§73.207(b)(2)); translators and boosters have the §74.1235(d)(3) limit.
Next steps for this site
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RF Navigator runs the channel search, spacing and contour studies for a site, and Nexus Broadcast can take it from site to FCC filing.
Where this comes from
- Address matching, coordinates and census geography: the U.S. Census Bureau Geocoder. Block population and FCC market areas: the FCC Area API. Ground elevation: the FCC terrain service. NAD27 and UTM: NOAA's National Geodetic Survey (NADCON 5).
- FM zones follow §73.205; K and W call letters follow the Mississippi River (§73.3550(e)), as do the FM translator power tables (§74.1235(b)). Within 320 km of Canada or Mexico, FM stations follow the international agreements (§73.207(b)), and translators and boosters have their own limits (§74.1235(d)).
- Zone lines, the river and the borders are drawn from public map data and generalized, so sites close to a line are flagged to confirm.
For planning. Not a product of the Census Bureau, the FCC or NOAA.