Universal Licensing System
KDH4
Sikorsky, A Lockheed Martin Company
License details
| ULS identifier | 1964679 |
|---|
| Call sign | KDH4 |
|---|
| Radio service | AF |
|---|
| Status | A |
|---|
| Grant date | 2024-04-12 |
|---|
| Expiration | 2029-04-14 |
|---|
| Frequency range | 2.8524 - 123.5583 MHz (15 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | West Palm Beach, PALM BEACH, FL |
|---|
| Coordinates | 26.9066667, -80.3207778 |
|---|
| Source archive | l_coast.zip |
|---|
| Dataset refreshed | 2026-08-02 02:08:28 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FAT | 2.85240000 | | 2.85100000 | 1000.000000 | | LL |
| 1 | 4 | FAT | 5.57240000 | | 5.57100000 | 1000.000000 | | LL |
| 1 | 4 | FAT | 8.82340000 | | 8.82200000 | 1000.000000 | | LL |
| 1 | 4 | FAT | 13.31340000 | | 13.31200000 | 1000.000000 | | LL |
| 1 | 4 | FAT | 17.96540000 | | 17.96400000 | 1000.000000 | | LL |
| 1 | 4 | FAT | 21.93240000 | | 21.93100000 | 1000.000000 | | LL |
| 1 | 5 | FAT | 123.20000000 | | | 50.000000 | | |
| 2 | 1 | FAT | 123.20000000 | | | 50.000000 | | |
| 1 | 5 | FAT | 123.21670000 | | | 50.000000 | | |
| 2 | 1 | FAT | 123.21670000 | | | 50.000000 | | |
| 1 | 5 | FAT | 123.27500000 | | | 50.000000 | | |
| 1 | 2 | FAT | 123.32500000 | | | 50.000000 | | |
| 1 | 5 | FAT | 123.36670000 | | | 50.000000 | | |
| 2 | 1 | FAT | 123.36670000 | | | 50.000000 | | |
| 2 | 1 | FAT | 123.42500000 | | | 50.000000 | | |
| 2 | 2 | FAT | 123.45000000 | | | 50.000000 | | |
| 2 | 3 | FAT | 123.52500000 | | | 50.000000 | | |
| 1 | 5 | FAT | 123.55830000 | | | 50.000000 | | |
| 2 | 1 | FAT | 123.55830000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 2.85240000 | | 2K80H2B |
| 1 | 4 | 5.57240000 | | 2K80H2B |
| 1 | 4 | 8.82340000 | | 2K80H2B |
| 1 | 4 | 13.31340000 | | 2K80H2B |
| 1 | 4 | 17.96540000 | | 2K80H2B |
| 1 | 4 | 21.93240000 | | 2K80H2B |
| 1 | 5 | 123.20000000 | | 6K00A3E |
| 2 | 1 | 123.20000000 | | 6K00A3E |
| 1 | 5 | 123.21670000 | | 5K60A3E |
| 1 | 5 | 123.21670000 | | 5K00A3E |
| 2 | 1 | 123.21670000 | | 5K60A3E |
| 2 | 1 | 123.21670000 | | 5K00A3E |
| 1 | 5 | 123.27500000 | | 6K00A3E |
| 1 | 2 | 123.32500000 | | 6K00A3E |
| 1 | 5 | 123.36670000 | | 5K60A3E |
| 1 | 5 | 123.36670000 | | 5K00A3E |
| 2 | 1 | 123.36670000 | | 5K00A3E |
| 2 | 1 | 123.36670000 | | 5K60A3E |
| 2 | 1 | 123.42500000 | | 6K00A3E |
| 2 | 2 | 123.45000000 | | 6K00A3E |
| 2 | 3 | 123.52500000 | | 6K00A3E |
| 1 | 5 | 123.55830000 | | 5K60A3E |
| 1 | 5 | 123.55830000 | | 5K00A3E |
| 2 | 1 | 123.55830000 | | 5K00A3E |
| 2 | 1 | 123.55830000 | | 5K60A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WILLIAM P GWINN FIELD, WEST PALM BEACH, PALM BEACH, FL | 26.90700000, -80.31905556 | 9.000 m | B | 11.000 m structure / 11.000 m overall | N |
| 2 | T | 17900 Beeline Hwy, West Palm Beach, PALM BEACH, FL | 26.90666667, -80.32077778 | 9.000 m | MAST | 11.000 m structure / 11.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 9.000 m | | | | | |
| 2 | 1 | T | | 11.000 m | | | | | |
| 2 | 2 | T | | 9.000 m | | | | | |
| 3 | 2 | T | | 9.000 m | | | | | |
| 4 | 1 | T | | 11.000 m | | | | | |
| 5 | 1 | T | | 11.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | William P Gwinn Airport, West Palm Beach, FL | | 5617755452 |
Special conditions
| Type | Condition code |
|---|
| P | 3000 |
| P | 3001 |
| P | 3016 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2024-04-18 | KDH4 | LIMOD |
| 2024-04-13 | KDH4 | PLAUPR |
| 2024-04-12 | KDH4 | LIREN |
| 2024-04-12 | KDH4 | INTDUP |
| 2024-04-12 | KDH4 | COR |
| 2024-01-22 | KDH4 | LETRES |
| 2021-08-30 | KDH4 | LIMOD |
| 2019-05-01 | KDH4 | COR |
| 2019-05-01 | KDH4 | LIREN |
| 2019-02-11 | KDH4 | LETRES |
| 2016-01-12 | KDH4 | LIAUA |
| 2016-01-11 | KDH4 | ESUAPR |
| 2015-11-06 | KDH4 | LITRAN |
| 2015-10-30 | KDH4 | ESUAPR |
| 2015-10-23 | KDH4 | ESUAPR |
| 2015-09-16 | KDH4 | ESUFNR |
| 2014-05-15 | KDH4 | AUTHPR |
| 2014-05-14 | KDH4 | COR |
| 2014-05-14 | KDH4 | LIREN |
| 2014-05-14 | KDH4 | INTDUP |
| 2014-01-20 | KDH4 | LETRES |
| 2010-06-03 | KDH4 | AUTHPR |
| 2009-03-31 | KDH4 | LIREN |
| 2009-03-31 | KDH4 | COR |
| 2009-02-05 | KDH4 | LIAUA |
| 2009-02-04 | KDH4 | ESUAPR |
| 2009-02-04 | KDH4 | ESUFNR |
| 2009-01-28 | KDH4 | LIAUA |
| 2009-01-27 | KDH4 | ESUAPR |
| 2009-01-26 | KDH4 | ESUFNR |
| 2009-01-19 | KDH4 | LETRES |
| 2008-11-06 | KDH4 | LIMOD |
| 2008-11-06 | KDH4 | IFRBSE |
| 2008-11-05 | KDH4 | ESUAPR |
| 2008-10-15 | KDH4 | ESUAPR |
| 2007-08-14 | KDH4 | LIAUA |
| 2007-08-14 | KDH4 | LIMOD |
| 2007-08-14 | KDH4 | COR |
| 2007-08-11 | KDH4 | ESCAPR |
| 2007-08-11 | KDH4 | ESCFND |
| 2007-08-11 | KDH4 | ESCFRN |
| 2004-05-03 | KDH4 | LIREN |
| 2004-01-20 | KDH4 | LETRES |
| 2001-04-27 | KDH4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1964679 | 2026-08-02 02:08:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KDH4 | ULS 1964679 | 2026-08-02 02:08:28 |
| Status | A | ULS 1964679 | 2026-08-02 02:08:28 |
| Service | AF | ULS 1964679 | 2026-08-02 02:08:28 |
| Grant Date | 2024-04-12 | ULS 1964679 | 2026-08-02 02:08:28 |
| Expiration Date | 2029-04-14 | ULS 1964679 | 2026-08-02 02:08:28 |