Universal Licensing System
KNNM504
CHESTER, COUNTY OF
License details
| ULS identifier | 1302210 |
|---|
| Call sign | KNNM504 |
|---|
| Radio service | YE |
|---|
| Status | A |
|---|
| Grant date | 2021-02-25 |
|---|
| Expiration | 2031-03-08 |
|---|
| Frequency range | 811.2375 - 860.9875 MHz (19 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | PHOENIXVILLE, CHESTER, PA |
|---|
| Coordinates | 40.1405556, -75.5213889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:09:59 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | MO | 811.23750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 811.98750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 812.98750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 813.23750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 813.98750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 814.23750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 814.98750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 815.23750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 815.43750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 815.48750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 815.98750000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FB2 | 856.23750000 | | | 80.000000 | 127.000000 | |
| 1 | 1 | FB2 | 856.98750000 | | | 60.000000 | 189.000000 | |
| 2 | 1 | MO | 856.98750000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB2 | 857.98750000 | | | 60.000000 | 189.000000 | |
| 2 | 1 | MO | 857.98750000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FB2 | 858.23750000 | | | 80.000000 | 127.000000 | |
| 1 | 1 | FB2 | 858.98750000 | | | 60.000000 | 189.000000 | |
| 2 | 1 | MO | 858.98750000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FB2 | 859.23750000 | | | 80.000000 | 127.000000 | |
| 1 | 1 | FB2 | 859.98750000 | | | 60.000000 | 189.000000 | |
| 2 | 1 | MO | 859.98750000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FB2 | 860.23750000 | | | 80.000000 | 127.000000 | |
| 3 | 1 | FB2 | 860.43750000 | | | 80.000000 | 127.000000 | |
| 3 | 1 | FB2 | 860.48750000 | | | 80.000000 | 127.000000 | |
| 1 | 1 | FB2 | 860.98750000 | | | 60.000000 | 189.000000 | |
| 2 | 1 | MO | 860.98750000 | | | 30.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 811.23750000 | | 20K0F3E |
| 2 | 1 | 811.98750000 | | 20K0F3E |
| 2 | 1 | 812.98750000 | | 20K0F3E |
| 4 | 1 | 813.23750000 | | 20K0F3E |
| 2 | 1 | 813.98750000 | | 20K0F3E |
| 4 | 1 | 814.23750000 | | 20K0F3E |
| 2 | 1 | 814.98750000 | | 20K0F3E |
| 4 | 1 | 815.23750000 | | 20K0F3E |
| 4 | 1 | 815.43750000 | | 20K0F3E |
| 4 | 1 | 815.48750000 | | 20K0F3E |
| 2 | 1 | 815.98750000 | | 20K0F3E |
| 3 | 1 | 856.23750000 | | 20K0F3E |
| 1 | 1 | 856.98750000 | | 20K0F3E |
| 2 | 1 | 856.98750000 | | 20K0F3E |
| 1 | 1 | 857.98750000 | | 20K0F3E |
| 2 | 1 | 857.98750000 | | 20K0F3E |
| 3 | 1 | 858.23750000 | | 20K0F3E |
| 1 | 1 | 858.98750000 | | 20K0F3E |
| 2 | 1 | 858.98750000 | | 20K0F3E |
| 3 | 1 | 859.23750000 | | 20K0F3E |
| 1 | 1 | 859.98750000 | | 20K0F3E |
| 2 | 1 | 859.98750000 | | 20K0F3E |
| 3 | 1 | 860.23750000 | | 20K0F3E |
| 3 | 1 | 860.43750000 | | 20K0F3E |
| 3 | 1 | 860.48750000 | | 20K0F3E |
| 1 | 1 | 860.98750000 | | 20K0F3E |
| 2 | 1 | 860.98750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | OCTORARA, OXFORD, CHESTER, PA | 39.80288889, -76.01938889 | 158.000 m | TOWER | 30.000 m structure | N |
| 2 | T | CHESTER, PA | | | | | |
| 3 | T | WATER TANK, PHOENIXVILLE, CHESTER, PA | 40.14055556, -75.52138889 | 84.100 m | TANK | 49.400 m structure / 49.400 m overall | N |
| 4 | T | CHESTER, PA | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | 51.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | | | 49.400 m | | | | 38.500 | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 601 Westtown Rd, Suite 012, West Chester, PA | CHESTER | 6103445084 |
License history
| Date | File or call sign | Action |
|---|
| 2021-05-08 | KNNM504 | LIAUA |
| 2021-02-25 | KNNM504 | LIREN |
| 2021-02-06 | KNNM504 | ESURNW |
| 2021-01-07 | KNNM504 | ESURNW |
| 2020-12-14 | KNNM504 | LETRES |
| 2020-12-08 | KNNM504 | ESURNW |
| 2020-02-25 | KNNM504 | COR |
| 2013-08-07 | KNNM504 | LIAUA |
| 2013-08-06 | KNNM504 | ESCAPR |
| 2010-12-22 | KNNM504 | LIREN |
| 2010-12-21 | KNNM504 | ESCAPR |
| 2010-12-13 | KNNM504 | LETRES |
| 2007-12-11 | KNNM504 | LETCNS |
| 2007-03-09 | KNNM504 | LIMOD |
| 2006-02-07 | KNNM504 | COR |
| 2001-04-25 | KNNM504 | COR |
| 2001-04-25 | KNNM504 | LIREN |
| 2000-12-10 | KNNM504 | LETRES |
| 2000-10-20 | KNNM504 | LICCNV |
| 1996-03-11 | KNNM504 | AUTHPR |
| 1996-03-08 | KNNM504 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1302210 | 2026-08-02 01:09:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNM504 | ULS 1302210 | 2026-08-02 01:09:59 |
| Status | A | ULS 1302210 | 2026-08-02 01:09:59 |
| Service | YE | ULS 1302210 | 2026-08-02 01:09:59 |
| Grant Date | 2021-02-25 | ULS 1302210 | 2026-08-02 01:09:59 |
| Expiration Date | 2031-03-08 | ULS 1302210 | 2026-08-02 01:09:59 |