Field Name · Applicant
Italic names are derived; accent values differ from the applicant’s prior license.
| Applicant Type | I - Individual |
| Entity Type | L - Licensee or Assignee |
| Entity Name | Shapiro, David O |
| Attention | |
| First Name / Middle Init / Last Name / Name Suffix | David O Shapiro |
| Street Address | 1521 ARBUTUS AVENUE |
| Po Box | |
| Locality | HALETHORPE |
| County | Baltimore County |
| State | MD - Maryland |
| Postal Code | 21227 |
| Zip Location | 39°14'23.9"N 76°40'46.0"W |
| Maidenhead | FM19pf |
| FRN | 0012869053 |
| Geo Region | 3 / MD |
| Licensee ID/SGIN | L00982750 / 000 |
| Callsign | K3DOS |
| Last Action Date | 2025-03-13 |
| Radio Service | HV - Vanity |
| App Purpose | RO - Renewal Only |
| App Source | I - Online |
| App Status | G - Granted |
| Entered Timestamp | 2025-03-11 |
| Fee Control Num | PGC4848719 |
| Orig Purpose | |
| Receipt Date | Tue 2025-03-11 |
| Payment Date | 2025-03-12 |
| Is From Vec | |
| Is Trustee | |
| Operator Group | C - 1x3 |
| Licensee Class | E - Amateur Extra |
| New Seq Callsign | |
| Trustee Callsign | |
| Trustee Name | |
| ULS Group / ULS Region | C / 3 |
| Prev Callsign / Prev Class | |
| Vanity Relationship | |
| Vanity Type | |
| Fee Exempt / Waiver | N / N |