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Definitions of Challenge Calls & Concepts |
Advanced Definitions
Callerlab Advanced Definitions
C1 Definitions
Pocket Reference of C1 List Calls by Ben Rubright
C2 Definitions
Pocket Reference of C2 List Calls by Ben Rubright
C3A Definitions
Pocket Reference of C3A List Calls by Ben Rubright
C3B Definitions
Pocket Reference of C3B List Calls by Ben Rubright
C4 Definitions
Pocket Reference of C4 Calls and Concepts by Ben Rubright
Bill Ackerman's C4 Books
Book Three (Beyond the Basics of C4)
Introductory Items