| Callsign | W4HEF |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2025-07-03 |
| Effective Date | 2025-08-12 |
| Expire Date | 2035-09-01 |
| Cancel Date | |
| Last Action Date | 2025-08-12 |
| End Date | 2035-09-01 |
| Available Date | 2037-09-02 |
| Applicant Type | I - Individual |
| Entity Name | HEFFNER, CRAIG J |
| Street Address / Locality | 11713 Lone Tree Court Columbia, MD 21044 |
| County | Howard County |
| Zip Location | 39°12'19.0"N 76°52'43.5"W |
| Maidenhead | FM19ne |
| FRN | 0015517485 |
| Licensee ID/SGIN | L01193710 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 3 / MD |
| Prev Callsign / Prev Class | KF4NYZ G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0011688061 |
| Phonetic weight / Morse weight | 10 / 52 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2015-09-01 | LIISS - License Issued |
| 2015-09-01 | VANGRT - Vanity Call Sign Assigned |
| 2025-07-03 | LIREN - License Renewed |
| 2025-08-12 | LIMOD - License Modified |