Universal Licensing System
WRBX507
MAXSENT
License details
| ULS identifier | 4066228 |
|---|
| Call sign | WRBX507 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2018-07-17 |
|---|
| Expiration | 2028-07-17 |
|---|
| Frequency range | 452.225 - 457.225 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | BALTIMORE, BALTIMORE CITY, MD |
|---|
| Coordinates | 39.3494722, -76.7045833 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:10 |
|---|
Licensee
| Name | MAXSENT |
|---|
| Applicant type | C |
|---|
| FRN | 0027598705 |
|---|
| Location | ANNAPOLIS, MD |
|---|
| Address | 185 ADMIRAL COCHRANE DR, ANNAPOLIS, MD, 21401 |
|---|
| Phone | 4432212750 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.22500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 452.22500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.22500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.22500000 | | 11K0F3E |
| 2 | 1 | 452.22500000 | | 11K0F3E |
| 2 | 1 | 457.22500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | VERTIS PARK DR, BALTIMORE, BALTIMORE CITY, MD | 39.34947222, -76.70458333 | 128.000 m | B | 35.000 m structure / 35.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 35.000 m | | | | 54.300 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 185 ADMIRAL COCHRANE DR, ANNAPOLIS, MD | ANNE ARUNDEL | 4432212750 |
License history
| Date | File or call sign | Action |
|---|
| 2018-07-17 | WRBX507 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4066228 | 2026-08-02 01:22:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBX507 | ULS 4066228 | 2026-08-02 01:22:10 |
| Status | A | ULS 4066228 | 2026-08-02 01:22:10 |
| Service | IG | ULS 4066228 | 2026-08-02 01:22:10 |
| Grant Date | 2018-07-17 | ULS 4066228 | 2026-08-02 01:22:10 |
| Expiration Date | 2028-07-17 | ULS 4066228 | 2026-08-02 01:22:10 |