Universal Licensing System
KD31093
Alcoa Inc.
License details
| ULS identifier | 1772874 |
|---|
| Call sign | KD31093 |
|---|
| Radio service | IG |
|---|
| Status | T |
|---|
| Grant date | 2003-10-04 |
|---|
| Expiration | 2013-11-03 |
|---|
| Cancellation | 2012-04-02 |
|---|
| Frequency range | 451.6125 - 464.3375 MHz (23 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | RIVERDALE, SCOTT, IA |
|---|
| Coordinates | 41.5363611, -90.4606667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:18:47 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 451.28750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 451.31250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 451.36250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 451.61250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 451.66250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 451.71250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 451.73750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 451.76250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.03750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.06250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.08750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.11250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.13750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.16250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.28750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.48750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.53750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.63750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.66250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.68750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 452.71250000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB2 | 452.77500000 | | | 100.000000 | 300.000000 | |
| 2 | 1 | MO | 452.77500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.97500000 | | | 100.000000 | 300.000000 | |
| 3 | 1 | MO | 452.97500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.77500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.97500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 464.33750000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.28750000 | | 11K2F3E |
| 2 | 1 | 451.31250000 | | 11K2F3E |
| 2 | 1 | 451.36250000 | | 11K2F3E |
| 2 | 1 | 451.61250000 | | 11K2F3E |
| 2 | 1 | 451.66250000 | | 11K2F3E |
| 2 | 1 | 451.71250000 | | 11K2F3E |
| 2 | 1 | 451.73750000 | | 11K2F3E |
| 2 | 1 | 451.76250000 | | 11K2F3E |
| 2 | 1 | 452.03750000 | | 11K2F3E |
| 2 | 1 | 452.06250000 | | 11K2F3E |
| 2 | 1 | 452.08750000 | | 11K2F3E |
| 2 | 1 | 452.11250000 | | 11K2F3E |
| 2 | 1 | 452.13750000 | | 11K2F3E |
| 2 | 1 | 452.16250000 | | 11K2F3E |
| 2 | 1 | 452.28750000 | | 11K2F3E |
| 2 | 1 | 452.48750000 | | 11K2F3E |
| 2 | 1 | 452.53750000 | | 11K2F3E |
| 2 | 1 | 452.63750000 | | 11K2F3E |
| 2 | 1 | 452.66250000 | | 11K2F3E |
| 2 | 1 | 452.68750000 | | 11K2F3E |
| 2 | 1 | 452.71250000 | | 11K2F3E |
| 1 | 1 | 452.77500000 | | 20K0F3E |
| 2 | 1 | 452.77500000 | | 20K0F3E |
| 1 | 1 | 452.97500000 | | 20K0F3E |
| 3 | 1 | 452.97500000 | | 20K0F3E |
| 2 | 1 | 457.77500000 | | 20K0F3E |
| 3 | 1 | 457.97500000 | | 20K0F3E |
| 2 | 1 | 464.33750000 | | 16K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4879 STATE STREET, RIVERDALE, SCOTT, IA | 41.53636111, -90.46066667 | 200.000 m | B | 17.000 m structure / 17.000 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 17.000 m | | | | 24.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4879 STATE ST, RIVERDALE, IA | SCOTT | 5634592863 |
License history
| Date | File or call sign | Action |
|---|
| 2012-04-02 | KD31093 | LITERM |
| 2005-08-08 | KD31093 | LETCNS |
| 2005-04-12 | KD31093 | LIAUA |
| 2005-04-11 | KD31093 | ESUAPR |
| 2004-11-08 | KD31093 | LIMOD |
| 2003-10-04 | KD31093 | LIREN |
| 2003-08-11 | KD31093 | LETRES |
| 2002-02-28 | KD31093 | AUDOPR |
| 2000-11-23 | KD31093 | LICCNV |
| 1999-06-22 | KD31093 | AUTHPR |
| 1999-06-22 | KD31093 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1772874 | 2026-08-02 01:18:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KD31093 | ULS 1772874 | 2026-08-02 01:18:47 |
| Status | T | ULS 1772874 | 2026-08-02 01:18:47 |
| Service | IG | ULS 1772874 | 2026-08-02 01:18:47 |
| Grant Date | 2003-10-04 | ULS 1772874 | 2026-08-02 01:18:47 |
| Expiration Date | 2013-11-03 | ULS 1772874 | 2026-08-02 01:18:47 |
| Cancellation Date | 2012-04-02 | ULS 1772874 | 2026-08-02 01:18:47 |