Universal Licensing System
WRMF677
BALTIMORE GAS AND ELECTRIC COMPANY
License details
| ULS identifier | 4430635 |
|---|
| Call sign | WRMF677 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2021-04-01 |
|---|
| Expiration | 2031-04-01 |
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| Frequency range | 6256.54 - 11142.5 MHz (8 frequencies) |
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| Locations | 4 |
|---|
| Coordinates | 39.5151111, -76.2401667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-17 04:17:56 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 2 | FXO | 6725.00000000 | | | | | |
| 1 | 5 | FXO | 6775.00000000 | | | | | |
| 1 | 7 | FXO | 6805.00000000 | | | | | |
| 1 | 6 | FXO | 6845.00000000 | | | | | |
| 1 | 4 | FXO | 10636.25000000 | | | | | |
| 1 | 3 | FXO | 11142.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6256.54000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 2 | 6725.00000000 | | 30M0D7W |
| 1 | 5 | 6775.00000000 | | 30M0D7W |
| 1 | 7 | 6805.00000000 | | 5M00D7W |
| 1 | 6 | 6845.00000000 | | 30M0D7W |
| 1 | 4 | 10636.25000000 | | 2M50D7W |
| 1 | 3 | 11142.50000000 | | 5M00D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SE side Phila. Rd., 900 ft. NE Raphael Rd., Joppatowne, BALTIMORE, MD | 39.41611111, -76.40111111 | 45.400 m | LTOWER | 56.700 m structure / 60.700 m overall | N |
| 2 | R | | 39.41155556, -76.49627778 | 105.500 m | | | |
| 3 | R | | 39.51511111, -76.24016667 | 99.900 m | | | |
| 4 | R | | 39.45255556, -76.28363889 | 25.900 m | | | |
| 5 | R | | 39.46136111, -76.32772222 | 32.600 m | | | |
| 6 | R | | 39.18083333, -76.53583333 | 10.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP6-6WB | | H | 39.3000 | 266.5000 | | |
| 1 | 2 | R | Commscope VHLP6-6WB | | | 39.3000 | 0.0000 | | |
| 1 | 3 | R | Commscope PAR6-65B RF | | | 38.8000 | 0.0000 | | |
| 1 | 4 | R | RADIO WAVES, INC HP4-11 | | | 41.0000 | 0.0000 | | |
| 1 | 5 | R | RADIO WAVES, INC HP3-10 | | | 36.7000 | 0.0000 | | |
| 1 | 6 | R | Commscope P10-186 | | | 44.0000 | 0.0000 | | |
| 2 | 1 | T | Commscope PAR6-65B RF | | V | 38.8000 | 51.5000 | | |
| 2 | 2 | R | Commscope UHX8-65D LF | | | 42.0000 | 0.0000 | | |
| 2 | 3 | R | Commscope PAR6-65A LF | | | 38.8000 | 0.0000 | | |
| 3 | 1 | T | RADIO WAVES, INC HP4-11 | | V | 41.0000 | 68.2000 | | |
| 4 | 1 | T | RADIO WAVES, INC HP3-10 | | V | 36.7000 | 51.5000 | | |
| 5 | 1 | T | Commscope HP8-65E | | H | 42.3000 | 266.5000 | | |
| 6 | 1 | T | Commscope P8-186 | | H | 42.0000 | 204.0000 | | |
| 7 | 1 | T | Commscope PAR6-65A LF | | V | 38.8000 | 51.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-08-01 | WRMF677 | LIAUA |
| 2025-01-31 | WRMF677 | LIAUA |
| 2025-01-08 | WRMF677 | LIAUA |
| 2024-03-29 | WRMF677 | LIAUA |
| 2023-03-29 | WRMF677 | LIMOD |
| 2023-01-11 | WRMF677 | FRATRE |
| 2022-11-09 | WRMF677 | PNLISR |
| 2022-11-09 | WRMF677 | LETTRS |
| 2022-09-23 | WRMF677 | LETCNS |
| 2021-04-01 | WRMF677 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4430635 | 2026-08-17 04:17:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMF677 | ULS 4430635 | 2026-08-17 04:17:56 |
| Status | A | ULS 4430635 | 2026-08-17 04:17:56 |
| Service | MG | ULS 4430635 | 2026-08-17 04:17:56 |
| Grant Date | 2021-04-01 | ULS 4430635 | 2026-08-17 04:17:56 |
| Expiration Date | 2031-04-01 | ULS 4430635 | 2026-08-17 04:17:56 |