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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 | 41° 48′ 45.1″ N 87° 52′ 51.2″ W41.812528, -87.880889 |
|---|---|
| NAD27 | 41° 48′ 45.0″ N 87° 52′ 51.0″ WNOAA NADCON 5 |
| UTM (NAD27) | UTM Zone 16: 4,629,120.0 m N, 426,835.7 m E |
| Ground elevation | 197.2 m (647 ft) AMSLFCC terrain service, USGS 1 arc-second data |
Census geography
| State | IllinoisGEOID 17 |
|---|---|
| County | Cook CountyGEOID 17031 |
| Place | La Grange villageGEOID 1740767 |
| County subdivision | Lyons townshipGEOID 1703145447 |
| Urban area | Chicago, IL--IN Urban AreaGEOID 16264 |
| Census tract | Census Tract 8197GEOID 17031819700 |
| Census block | Block 3005GEOID 170318197003005 |
| Congressional district | Congressional District 4GEOID 1704 · 120th Congressional Districts |
| State senate district | State Senate District 4GEOID 17004 · 2026 State Legislative Districts - Upper |
| State house district | State House District 8GEOID 17008 · 2026 State Legislative Districts - Lower |
| 2020 block population | 14 |
| FCC market areas | CMA003, BEA064, MTA003, BTA078, PEA003FCC Area API: Cellular Market Area, Economic Area, Major and Basic Trading Areas, Partial Economic Area |
FCC rule zones
| FM zone (§73.205) | Zone I (§73.205(a)) |
|---|---|
| Mississippi River | EastNew call signs start with W (§73.3550(e)); FM translators use the §74.1235(b)(1) table |
| Mexican border | 1,746 km (1,085 mi) |
| Canadian border | 393 km (244 mi) |
More than 320 km from both borders: no international FM coordination limits apply here (§73.207(b), §74.1235(d)).
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.