Field Name · Applicant
Italic names are derived; accent values differ from the applicant’s prior license.
| Applicant Type | I - Individual |
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| Entity Type | L - Licensee or Assignee |
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| Entity Name | Grumbine, John |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | John Grumbine |
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| Street Address | 134 Hoodridge Dr |
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| Po Box | |
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| Locality | Pittsburgh |
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| County | Allegheny County |
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| State | PA - Pennsylvania |
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| Postal Code | 15228 |
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| Zip Location | 40°22'14.4"N 80°02'38.9"W |
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| Maidenhead | EN90xi |
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| FRN | 0034834523 |
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| Geo Region | 3 / PA |
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| Licensee ID/SGIN | L02751445 / 000 |
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| Callsign | KC3YPA |
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| Last Action Date | 2026-06-30 |
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| Radio Service | HA - Amateur |
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| App Purpose | MD - Modification |
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| App Source | I - Online |
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| App Status | G - Granted |
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| Entered Timestamp | 2026-06-11 |
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| Fee Control Num | PGC5244928 |
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| Orig Purpose | MD - Modification |
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| Receipt Date | Thu 2026-06-11 |
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| Payment Date | 2026-06-11 |
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| Is From Vec | |
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| Is Trustee | |
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| Operator Group | A - 1x2, 2x1, 2x2 |
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| Licensee Class | E - Amateur Extra |
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| New Seq Callsign | N |
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| Trustee Callsign | |
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| Trustee Name | |
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| ULS Group / ULS Region | A / 3 |
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| Prev Callsign / Prev Class | |
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| Vanity Relationship | |
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| Vanity Type | E - By List |
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| Fee Exempt / Waiver | N / N |
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