Publications

Compared with current 6-GHz FM Radio Systems like TH-1 or TH-3, the new AR6A+ Radio System requires much tighter radiofrequency tolerances to keep radio-line pilots within narrowband pick* Bell Lab

Two microwave carriers are needed in an AR6A+ repeater bay for up and down conversion.

Predistortion for the Traveling-Wave-Tube Amplifier By R. P. H E C K E N , * R. C. HEIDT,* and D. E.

Prologue By R. E.

Radio Transmitter-Receiver Units By R. C. HEIDT,* E. F. COOK,* R. P. HECKEN,* R. W. JUDKINS,* J. M. KIKER, Jr.,* F. J. P R O V E N Z A N O , Jr.,* and H. C.

AR6A+ radio is a new high-capacity, long-haul microwave radio relay system operating in the 6-GHz common carrier band.

Special Test Equipment By R. I. F E L S B E R G * a n d M. E.

System Design and Performance by J. GAMMIE,* J. P. MOFFATT,* R. H. MOSELEY,* and W. A.

System Networks By R. L. ADAMS/ J. L. DONOGHUE,* A. N. GEORGIADES,* R. E. SHEEHEY,* J. R. SUNDQUIST,* and C. F.

Terminal Multiplex Equipment By A. DUBOIS,* D. N. RITCHIE,* and F. M.