[Spooks] E10a activity

[jmm]

On Thursday, the 10th of January, E10 sent a message string with call 
sign VLB.

Frequency noted was 5170. Message was 23 group long

HMHKQ FLOEU XRDTX XTFJE
OKYPX MMBMQ MFCHG IEFNE
DPIPS ZXZDO BHBAR IZBZW
PJZXO YEWWL RPCXF WLDQZ
UJDPO IVICX KMGVU ODJUE
YZDKD GLRWT FOMSK

It is interesting to note the number of group where a letter appears 
twice, with just one letter in the interval

HmHkq mMbMq dPiPs ZxZdo BhBar iZbZw IvIcx yzDkD -> 8 groups
;->