CLASSIFIED MESSAGE 465 | . . 26 FEB 62: ro. «DIRECTOR |. * FROM 8 MEXICO CITY . Fea 27 o1hez 62 Cl, “c1/0rs, c1/0A, ry WHT, sf 2 a 4 can ee oe price he ent i pre CITE MEXL 0179 AQUATIC LIERODE’ ssJ¥ REF DIR 43394 (OWT SYO a SRT-9 FAILURE EVIDENCED BY NORMAL CARRIER WITH COMPLETE de ABSENCE “MODULATION. NO HUM)” HISS,. “OR CRACKLING. — NO EVIDENCE ‘TAMPER ING» "MICROPHONE - AND LEADS ARE HELD IN PLACE: IN “2. NO PLANS RETRIEVE UNIT WITH PRESENT LACK ACCESS CAPABILITYs _ ENO OF MESSAGE —¢/s COMMENT: *KURIOT INTERESTED AUDIO FALLURE SRT-9 AS OUTLINED . MEXE ory (N 30585). [SECRET | ___ REPRODUCTION BY OTHER THAN THE ISSUING OFFICE IS PROHIBITED. Copy Ne. ferent Ra's: Oneida nt ay rare cent oo *» - < al ett oe mete + Sette mn hte eect eptrtngensetnefapetinenent, om ow aren . : : Bentenenene eee a Snape i : . ; .
DATE FROM ACTION 8 INFO DIR CITE NEXT. o1w (WARE ACTING) MKTRAP INSTALLATION HIGHLY BEs ESIRABLE. 3 _ CLASSIFIED MESSAGE ea 065 ROUENG CS 20 FEB 62 . 44 —_ DIRECTOR © A — “wexICO Oy "FEB 2007092 62 7 “¢/TsD 2. | me 7 | _ | cop, cle oir 2, c/ti/o 4 cha 5) s/c 2¢ _ ROUTINE AQUATIC/LIERODE/MKTHAP sor de FAILURE OF AUDIO IN ONE SRT-9 AT LIERODE panes IMMEDIATE (2. LATEST INVESTIGATION REVEALS| ff 3. INITIAL-TESTS WITH MP-4 AND 4 LAYER DIODES INDICATE DEFINITE SUPERIORITY IN AUDIO QUALITY TO.BASIC NKTRAP CIRCUITRY AND FEASIBILITY | |. . a - be LINE TO TARGET REPORTED. BY GCOD AUTHORITY AS 2.7 MILES - NUMBER 2@ CABLE PAIR WITH SERIES CONNECTION AT CENTRALs PLAN INITIAL PHASE OF INSTRUMENT INSTALLATION AND LP EQUIPMENT TESTS USING LIFEATs 5. IN VIEW POSSIBLE REQUIRENENT FOR SHORTER LINE LENGTH AND QUESTION OF SECURITY OF. SERIES CONNECTION OVER EXTENDED PERIOD AT CENTRAL OFFICE, STATION CONSIDERING USE LIENVOY - - ENGINEER AFTER. INITIAL PHASE FOR CABLE SPLICE TO SHORTEN LINE TG 1000 FEET. THIS WOULD REVEAL ‘Location PRESENT LIERODE BASE TO LIENVOY BUT WOULD NOT NECESSARILY REVEAL TECHNIQUE. STATION, | 4 NOT LIENVOY, WOULD CONTROL- BASE AND PRODUCTION» | be REQUEST Has. COMMENT: i Ce we UIE REPRODUCTION BY OTHER THAN, THE SUING OFFICE IS PRON: ITED, Copy Na.
“CLASSIFIED: MESSAGE. ROUTING (ay USE LIENVOY As DESCRIBED. | Bs USE OF MP-4 WITH W-LAYER DIODE. 74" STATION RECOMMENDS APPROVAL PARA 6 DUE IMPORTANCE. TARGET PLUS FACT INSTALLATION, WAY HELP’ CONTRIBUTE KUTUBE/D REQUIREMENTS: ; _ | END OF MESSAGE 7 c/s COMMENT: "DISSEMINATION APPLICABLE TO RYBAT CABLES. - ! ered ; SEG 1 Copy No. "REPRODUCTION BY OTHER THAN THE ISSUING OFFICE IS PROHISITED, .
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