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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° 21′ 17.0″ N 88° 29′ 55.0″ W41.354722, -88.498611 |
|---|---|
| NAD27 | 41° 21′ 16.9″ N 88° 29′ 54.7″ WNOAA NADCON 5 |
| UTM (NAD27) | UTM Zone 16: 4,579,002.9 m N, 374,643.3 m E |
| Ground elevation | 163.8 m (537 ft) AMSLFCC terrain service, USGS 1 arc-second data |
Census geography
| State | IllinoisGEOID 17 |
|---|---|
| County | Grundy CountyGEOID 17063 |
| County subdivision | Erienna townshipGEOID 1706324400 |
| Census tract | Census Tract 2GEOID 17063000200 |
| Census block | Block 3076GEOID 170630002003076 |
| Congressional district | Congressional District 16GEOID 1716 · 120th Congressional Districts |
| State senate district | State Senate District 38GEOID 17038 · 2026 State Legislative Districts - Upper |
| State house district | State House District 75GEOID 17075 · 2026 State Legislative Districts - Lower |
| 2020 block population | 4 |
| FCC market areas | CMA304, 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 | 1,679 km (1,043 mi) |
| Canadian border | 453 km (281 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.