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EXERCISE FOR THE M-209 CONVERTER
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PLAINTEXT
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THE MILITARY RADIO COLLECTORS GROUP WILL MEET AT CAMP SAN LUIS OBISPO
CALIFORNIA ON FRIDAY AND SATURDAY MAY TWO AND THREE STOP

THERE WILL BE MILITARY RADIO EXHIBITS AND TECHNICAL DEMONSTRATIONS
AND PRESENTATIONS COMMA AND A FLEA MARKET SATURDAY MORNING STOP

SINCE NINETEEN NINETY SIX MRCG HAS BEEN MEETING ON THE FIRST WEEKEND
OF MAY IN SAN LUIS OBISPO STOP

MRCG IS ONE OF THE BEST SWAPMEETS FOR MILITARY RADIO EQUIPMENT STOP

WE HAVE NO DUES AND NO FORMAL ORGANIZATION COMMA JUST A COMMON
INTEREST IN MILITARY COMMUNICATIONS GEAR STOP

MEMBERS OF THE GROUP GIVE PRESENTATIONS AND DEMONSTRATIONS OF
MILITARY RADIO EQUIPMENT IN THE FORMAL PORTION OF THE MEETING STOP

INFO AT HTTP COLON SLASH SLASH SYZEN DOT COM SLASH MILRADIO STOP ENDIT
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THE CIPHERTEXT BELOW CAN BE DECODED WITH THE M-209 CONVERTER, A
COMPACT MECHANICAL CIPHER MACHINE USED BY U.S. FORCES IN WWII.

YOU CAN DOWNLOAD DIRK RIJMENANTS EXCELLENT M-209 EMULATOR AT:
HTTP://USERS/TELENET.BE/D.RIJMENANTS/EN/M209SIM.HTM
  (YOU WILL HAVE TO ENTER THE URL AS LOWER-CASE)

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THE M-209 PIN AND LUG SETTINGS USED FOR THIS EXERCISE ARE THOSE
SHOWN IN PARAGRAPH 18 (PAGE 25) OF THE MAY 1947 M-209 MANUAL.

ROTOR PIN SETTINGS ARE:
NO.1  NO.2  NO.3  NO.4  NO.5  NO.6
 A     A     A     -     -     A
 B     -     B     -     B     B
 -     -     -     C     -     -
 D     D     -     -     D     D
 -     E     -     E     E     -
 -     -     -     F     F     -
 -     G     G     -     -     -
 H     -     H     H     H     H
 I     -     -     I     I     -
 -     J     J     -     -     -
 K     K     -     -     -     K
 -     L     L     -     -     -
 M     -     M     M     M     -
 N     -     N     N     N     N
 -     O     -     -     -     O
 -     -     -     P     P     -
 -     -     -     -     -     Q
 -     R     R     -     -
 S     S     S     S     S
 T     -     T     T
 -     U     U     U
 V     -     -
 W     X     X
 -     -
 -     -
 -
A "-" INDICATES THAT THE PIN SHOULD BE MOVED TO THE INEFFECTIVE
POSITION (TO THE LEFT).

CAGE LUG SETTINGS ARE:
 1. 0-4    10. 0-5    19. 1-0
 2. 3-0    11. 5-6    20. 1-0
 3. 3-0    12. 0-6    21. 1-0
 4. 3-5    13. 0-6    22. 1-0
 5. 3-5    14. 0-6    23. 1-0
 6. 2-5    15. 0-6    24. 1-0
 7. 2-5    16. 0-6    25. 1-0
 8. 0-5    17. 1-6    26. 1-0
 9. 0-5    18. 1-0    27. 1-0

KEY FOR THE TWENTY-SIX-LETTER CHECK IS AAAAAA

INPUT FOR THE TWENTY-SIX-LETTER CHECK IS:
AAAAAAAAAAAAAAAAAAAAAAAAAA

OUTPUT FOR THE TWENTY-SIX-LETTER CHECK IS:
NIHTZ DXAJJ KVSIT HKNKO NAGZR I

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KEY FOR THE CIPHERTEXT IS MILRAD
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CIPHERTEXT, 734 CHARACTERS TOTAL
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EGOJC DFQKS NCWQI FBJWB KPZFE UFIIE BZFVA AEKIF KZGGV QRAJG
HNGJI GZHOZ SAODT CPRCA RIMQZ ZIHLK WSVJI ICRQA VKCWB VYQWH
CASXJ HZOQR HVCJC WFVQC JVZXC GRQUO HCRPB WKBFO OFKAC OKAWK
FLXFC PVQKC JBUAP TQXUK EKDNI MKJLB GGGXH HRNAJ WKXMA SDITC
NYQHO PRPCW BODVB JHSPB QPOGK PQAYI KLDGT RXHUT DXNAI GDMXI
OPWNZ CZDXS KBULT VDPOR GDWBV CGFVO TMMIU UXDSG HIAUM MAVJA
JPRFJ LKJIU DWOIF TRWPX MMUOK FICHL OBXQH VJAUW WAHIH XUQUA
BCASV GCRLV EFRMF IATMB ENJBJ PVNJS KYBEU GRFFC XQSUP POGYH
OUDMB PINRZ WUZSC IZYXX LJGYP BOPTG QPJVF QVOOJ IUWXP OBWWU
TUWAD EZQEX MSUXP BXGVG IXYJM DVIMB RNIXV YEBWI BQXER SEHGQ
YJVID BUWCJ LHEWG LWNDS KVINR EOUYW PZFSQ SEFRF YHDUI BYIVH
AUGZK YWJFX KSYRI CLAKK XHLNW MMFUV ZNAMV XSGJK EWFWP EQCSW
QONPW UWMBS GAJTM RGDGN RLRKU IOAIL DDAUD MISSQ IXIQA IJVBQ
BVKJK CERJA RHGOA QLLSI ZODMU BUOGT ZAODC ZRMVO TNKMR RWZJU
RRGJZ GRXWY XVRKZ BZXZA JFWVS UUVTG BNFO
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