Singapore's Navy warned that a terrorist group is planning attacks on oil tankers in the Malacca Straits, one of the world's busiest shipping lanes according to Associated Press reports/
Terrorists may also be targeting other vessels in the shipping lane off Malaysia's east coast, according to an advisory issued Wednesday by the Navy's Information Fusion Centre seen by The Associated Press.
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http://news.yahoo.com/s/ap/20100304/ap_on_re_as/as_singapore_terror_threat
For those with HF capability in the region you can monitor the Singapore Navy on the following frequencies (ALE/USB): 4540.0 5220.5 6697.5 6748.5 8150.0 8386.0 9200.0 11078.0 11234.0 14757.0 kHz
Malaysian Navy frequencies (9MR Johor Baharu (Lumut)) have been reported recently in RTTY and CW on the following frequencies: 3159.0 5065.0 6462.0 6473.0 6483.0 8192.0 8292.0 8462.0 12783.5 kHz