Universal Licensing System
KNNM923
3M Company
License details
| ULS identifier | 1632934 |
|---|
| Call sign | KNNM923 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-12-15 |
|---|
| Expiration | 2031-03-01 |
|---|
| Frequency range | 461.1 - 469.875 MHz (16 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | KNOXVILLE, MARION, IA |
|---|
| Coordinates | 41.3000000, -93.1001944 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:55 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 461.10000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 464.20000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | FB2 | 464.32500000 | | | 40.000000 | 126.000000 | |
| 3 | 1 | MO | 464.32500000 | | | 5.000000 | | |
| 2 | 1 | FB2 | 464.37500000 | | | 40.000000 | 126.000000 | |
| 3 | 1 | MO | 464.37500000 | | | 5.000000 | | |
| 2 | 1 | FB2 | 464.47500000 | | | 40.000000 | 126.000000 | |
| 3 | 1 | MO | 464.47500000 | | | 5.000000 | | |
| 2 | 1 | FB2 | 464.57500000 | | | 40.000000 | 126.000000 | |
| 3 | 1 | MO | 464.57500000 | | | 5.000000 | | |
| 2 | 1 | FB2 | 464.67500000 | | | 40.000000 | 126.000000 | |
| 3 | 1 | MO | 464.67500000 | | | 5.000000 | | |
| 2 | 1 | FB2 | 464.77500000 | | | 40.000000 | 126.000000 | |
| 3 | 1 | MO | 464.77500000 | | | 5.000000 | | |
| 2 | 2 | FB2 | 464.87500000 | | | 40.000000 | 112.000000 | |
| 3 | 1 | MO | 464.87500000 | | | 5.000000 | | |
| 3 | 1 | MO | 469.32500000 | | | 5.000000 | | |
| 3 | 1 | MO | 469.37500000 | | | 5.000000 | | |
| 3 | 1 | MO | 469.47500000 | | | 5.000000 | | |
| 3 | 1 | MO | 469.57500000 | | | 5.000000 | | |
| 3 | 1 | MO | 469.67500000 | | | 5.000000 | | |
| 3 | 1 | MO | 469.77500000 | | | 5.000000 | | |
| 3 | 1 | MO | 469.87500000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 461.10000000 | | 11K2F3E |
| 3 | 1 | 464.20000000 | | 11K2F3E |
| 2 | 1 | 464.32500000 | | 11K2F3E |
| 3 | 1 | 464.32500000 | | 11K2F3E |
| 2 | 1 | 464.37500000 | | 11K2F3E |
| 3 | 1 | 464.37500000 | | 11K2F3E |
| 2 | 1 | 464.47500000 | | 11K2F3E |
| 3 | 1 | 464.47500000 | | 11K2F3E |
| 2 | 1 | 464.57500000 | | 11K2F3E |
| 3 | 1 | 464.57500000 | | 11K2F3E |
| 2 | 1 | 464.67500000 | | 11K2F3E |
| 3 | 1 | 464.67500000 | | 11K2F3E |
| 2 | 1 | 464.77500000 | | 11K2F3E |
| 3 | 1 | 464.77500000 | | 11K2F3E |
| 2 | 2 | 464.87500000 | | 11K2F3E |
| 3 | 1 | 464.87500000 | | 11K2F3E |
| 3 | 1 | 469.32500000 | | 11K2F3E |
| 3 | 1 | 469.37500000 | | 11K2F3E |
| 3 | 1 | 469.47500000 | | 11K2F3E |
| 3 | 1 | 469.57500000 | | 11K2F3E |
| 3 | 1 | 469.67500000 | | 11K2F3E |
| 3 | 1 | 469.77500000 | | 11K2F3E |
| 3 | 1 | 469.87500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | 3406 E PLEASANT, KNOXVILLE, MARION, IA | 41.30000000, -93.10019444 | 258.000 m | B | 12.000 m structure / 12.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 12.000 m | | | | 16.000 | |
| 1 | 3 | T | | | | | | | |
| 2 | 2 | T | | 30.000 m | | | | 35.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3406 E PLEASANT, KNOXVILLE, IA | | 5158287000 |
License history
| Date | File or call sign | Action |
|---|
| 2021-06-15 | KNNM923 | LIAUA |
| 2020-12-15 | KNNM923 | LIREN |
| 2020-12-07 | KNNM923 | LETRES |
| 2016-03-21 | KNNM923 | LIMOD |
| 2013-01-16 | KNNM923 | LIAUA |
| 2013-01-15 | KNNM923 | ESCAPR |
| 2011-03-24 | KNNM923 | AUTHPR |
| 2011-02-15 | KNNM923 | LIREN |
| 2011-02-10 | KNNM923 | LTSAPR |
| 2010-12-06 | KNNM923 | LETRES |
| 2009-11-17 | KNNM923 | LIAUA |
| 2009-11-17 | KNNM923 | LTSAPR |
| 2006-04-24 | KNNM923 | LETCNS |
| 2005-07-25 | KNNM923 | LIMOD |
| 2002-05-01 | KNNM923 | LIAUA |
| 2001-10-15 | KNNM923 | AUDOPR |
| 2001-02-03 | KNNM923 | LIREN |
| 2000-12-03 | KNNM923 | LETRES |
| 2000-11-23 | KNNM923 | LICCNV |
| 1997-12-10 | KNNM923 | AUTHPR |
| 1996-03-01 | KNNM923 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1632934 | 2026-08-02 01:22:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNM923 | ULS 1632934 | 2026-08-02 01:22:55 |
| Status | A | ULS 1632934 | 2026-08-02 01:22:55 |
| Service | IG | ULS 1632934 | 2026-08-02 01:22:55 |
| Grant Date | 2020-12-15 | ULS 1632934 | 2026-08-02 01:22:55 |
| Expiration Date | 2031-03-01 | ULS 1632934 | 2026-08-02 01:22:55 |