What does secl stand for?

Secretarial (WGA)

Chiles - Ecuador - ICAO location identifier (ICLI)

Secretarial

Sequential Emitter Coupled Logic (IAA)

Ship Equipment Configuration List (MCD)

Symmetrical Emitter Coupled Logic (IAA)

Symmetrical Emitter-Coupled Logic (SAUS)

Symmetrically operated Emitter-Coupled Logic (SAUS)

Symmetrically-Operated Emitter Coupled Logic (IAA)