Universal Licensing System
KNNN577
License details
| ULS identifier | 1886825 |
|---|---|
| Call sign | KNNN577 |
| Radio service | IG |
| Status | E |
| Grant date | 1996-03-14 |
| Expiration | 2001-03-14 |
| Cancellation | 2001-05-20 |
| Frequency range | 451.2 MHz |
| Locations | 6 |
| Representative location | ST JOHNS ISLAND, CHARLESTON, SC |
| Coordinates | 32.7329444, -80.1598056 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:27:37 |
Licensee
| Name | ST JOHNS WATER COMPANY INC |
|---|---|
| Applicant type | C |
| Location | ST JOHNS ISLAND, SC |
| Address | ST JOHNS ISLAND, SC, 29457 |
| Phone | 8035590331 |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FXO | 451.20000000 | 5.000000 | 58.000000 | |||
| 2 | 1 | FXO | 451.20000000 | 5.000000 | 58.000000 | |||
| 3 | 1 | FXO | 451.20000000 | 5.000000 | 58.000000 | |||
| 4 | 1 | FXO | 451.20000000 | 5.000000 | 58.000000 | |||
| 5 | 1 | FXO | 451.20000000 | 5.000000 | 58.000000 | |||
| 6 | 1 | FXO | 451.20000000 | 5.000000 | 58.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 451.20000000 | 16K0F1D | |
| 2 | 1 | 451.20000000 | 16K0F1D | |
| 3 | 1 | 451.20000000 | 16K0F1D | |
| 4 | 1 | 451.20000000 | 16K0F1D | |
| 5 | 1 | 451.20000000 | 16K0F1D | |
| 6 | 1 | 451.20000000 | 16K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | CHISOLM RD & RAVENS POINT, ST JOHNS ISLAND, CHARLESTON, SC | 32.73294444, -80.15980556 | 5.000 m | TOWER | 6.000 m structure / 6.000 m overall | N |
| 2 | T | JCT OF BERRYHILL & BOHICKERT RDS, ST JOHNS ISLAND, CHARLESTON, SC | 32.71155556, -80.07008333 | 4.000 m | TOWER | 6.000 m structure / 6.000 m overall | N |
| 3 | T | JCT OF BOHICKET & RIVER RDS, ST JOHNS ISLAND, CHARLESTON, SC | 32.64658333, -80.13675000 | 3.000 m | TOWER | 6.000 m structure / 6.000 m overall | N |
| 4 | T | JCT OF BROWNSWOOD & RIVER RDS, ST JOHNS ISLAND, CHARLESTON, SC | 32.76655556, -80.07036111 | 3.000 m | TOWER | 6.000 m structure / 6.000 m overall | N |
| 5 | T | JCT OF EDENVALE & RIVER RDS, ST JOHNS ISLAND, CHARLESTON, SC | 32.67461111, -80.05175000 | 5.000 m | TOWER | 6.000 m structure / 6.000 m overall | N |
| 6 | T | JCT OF MAIN & MARYANN POINT RDS, ST JOHNS ISLAND, CHARLESTON, SC | 32.73238889, -80.10508333 | 6.000 m | TOWER | 6.000 m structure / 6.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 6.000 m | 8.000 | |||||
| 1 | 2 | T | 6.000 m | 8.000 | |||||
| 1 | 3 | T | 6.000 m | 8.000 | |||||
| 1 | 4 | T | 6.000 m | 7.000 | |||||
| 1 | 5 | T | 6.000 m | 10.000 | |||||
| 1 | 6 | T | 6.000 m | 10.000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 3362 MAYBANK HWY SAINT, JOHNS ISLAND, SC | 8035590331 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2001-05-20 | KNNN577 | LIEXP |
| 2000-12-21 | KNNN577 | LETRES |
| 2000-11-24 | KNNN577 | LICCNV |
| 1996-03-15 | KNNN577 | AUTHPR |
| 1996-03-14 | KNNN577 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1886825 | 2026-08-02 01:27:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | KNNN577 | ULS 1886825 | 2026-08-02 01:27:37 |
| Status | E | ULS 1886825 | 2026-08-02 01:27:37 |
| Service | IG | ULS 1886825 | 2026-08-02 01:27:37 |
| Grant Date | 1996-03-14 | ULS 1886825 | 2026-08-02 01:27:37 |
| Expiration Date | 2001-03-14 | ULS 1886825 | 2026-08-02 01:27:37 |
| Cancellation Date | 2001-05-20 | ULS 1886825 | 2026-08-02 01:27:37 |