N4AMD
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderRiggle, Robert C
License ClassGeneral
Min. Class RequiredGeneral
LocationSeattle, WA
Grant DateFeb 26, 2026
Expiration DateApr 5, 2036
N4AMD is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Riggle, Robert C in Seattle, WA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by DELAPP, MICHAEL L on Mar 16, 2016. N4AMD has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- .- -- -..
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
November Four Alpha Mike Delta
Readability: 8/10(High readability)
License History
- License RenewedFeb 26, 2026
- Administrative Update AppliedSep 15, 2021
- Administrative Update AppliedAug 23, 2019
- License ModifiedMay 11, 2016
- Vanity Callsign GrantedApr 5, 2016
- License IssuedApr 5, 2016
- License CanceledJan 23, 2009
- Administrative Update AppliedJan 6, 2009
- License RenewedAug 23, 2007
- FRN Association Letter SentFeb 14, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- DELAPP, MICHAEL LFiled Mar 16, 2016Not awardedFCC ↗