Universal Licensing System
WQMZ688
Johns Hopkins Hospital
License details
| ULS identifier | 3246618 |
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| Call sign | WQMZ688 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-09-09 |
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| Expiration | 2030-11-17 |
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| Frequency range | 72.24 - 72.88 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Baltimore, BALTIMORE CITY, MD |
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| Coordinates | 39.2967500, -76.5921667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:36 |
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Licensee
| Name | Johns Hopkins Hospital |
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| Applicant type | C |
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| FRN | 0020262804 |
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| Location | Baltimore, MD |
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| Address | 600 N. Wolfe Street, Baltimore, MD, 21287 |
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| Phone | 4109557537 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 72.24000000 | | | 1.000000 | 1.000000 | |
| 3 | 1 | MO | 72.32000000 | | | 1.000000 | 1.000000 | |
| 4 | 1 | MO | 72.40000000 | | | 1.000000 | 1.000000 | |
| 2 | 1 | FXO | 72.74000000 | | | 60.000000 | 45.000000 | |
| 1 | 1 | FXO | 72.88000000 | | | 12.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 72.24000000 | | 20K0F1D |
| 3 | 1 | 72.32000000 | | 20K0F1D |
| 4 | 1 | 72.40000000 | | 20K0F1D |
| 2 | 1 | 72.74000000 | | 20K0F1D |
| 1 | 1 | 72.88000000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Brady Building 600 N. Wolfe Street, Baltimore, BALTIMORE CITY, MD | 39.29794444, -76.59266667 | 33.000 m | BMAST | 56.400 m structure / 60.000 m overall | N |
| 2 | T | Childrens Center, Baltimore, BALTIMORE CITY, MD | 39.29633333, -76.59202778 | 32.000 m | BMAST | 56.400 m structure / 60.000 m overall | N |
| 3 | T | Baltimore, BALTIMORE CITY, MD | 39.29794444, -76.59266667 | | | | N |
| 4 | T | Baltimore, BALTIMORE CITY, MD | 39.29675000, -76.59216667 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 60.000 m | | | | 41.200 | |
| 1 | 2 | T | | 60.000 m | | | | 40.800 | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 600 N. Wolfe Street, Baltimore, MD | BALTIMORE | 4109557537 |
License history
| Date | File or call sign | Action |
|---|
| 2020-09-09 | WQMZ688 | LIREN |
| 2016-06-02 | WQMZ688 | LIMOD |
| 2016-05-27 | WQMZ688 | LTSAPR |
| 2011-11-10 | WQMZ688 | LIMOD |
| 2011-11-10 | WQMZ688 | LTSAPR |
| 2011-09-28 | WQMZ688 | LTSAPR |
| 2011-08-16 | WQMZ688 | LETCNS |
| 2011-05-06 | WQMZ688 | LIMOD |
| 2011-03-15 | WQMZ688 | LTSAPR |
| 2011-02-17 | WQMZ688 | LTSAPR |
| 2011-02-17 | WQMZ688 | LIAUA |
| 2010-11-17 | WQMZ688 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3246618 | 2026-08-02 01:19:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQMZ688 | ULS 3246618 | 2026-08-02 01:19:36 |
| Status | A | ULS 3246618 | 2026-08-02 01:19:36 |
| Service | IG | ULS 3246618 | 2026-08-02 01:19:36 |
| Grant Date | 2020-09-09 | ULS 3246618 | 2026-08-02 01:19:36 |
| Expiration Date | 2030-11-17 | ULS 3246618 | 2026-08-02 01:19:36 |