TNAG-0836-FCO40-1044-Comprehensive-Test-Ban-Treaty-national-seismic-stations-on-U-1979 — Page 67

FCO40 Hong Kong Department Records 聯邦事務部香港部檔案 All

CONFIDENTIAL

5.2

Poor long-range verification capability. because of high

Could be used to monitor

urban and maritime background noise.

significant parts of mainland China, North Vietnam, Taiwan and

parts of the Philippines.

The island is subject to major

excavation for construction purposes, and the Russians might argue

that NTM would not permit effective monitoring of excavated

cavities.

But Hong Kong is on solid rock and clandestine testing

Moreover it would

in solid rock is a wholly untried technology.

be a nonsense to suggest testing in such a densely populated area.

EGMONT

6.1

Part of BIOT. In the Chagos Archipelago, an uninhabited

group of tiny coral atolls 50 miles from Diego Garcia.

Mauritius

has an interest (we have undertaken to return the Chagos Archipelago

to her when we no longer need it for defence purposes) but would

probably not object to NSS. The main difficulty is that Diego

Garcia seems to be the only practicable base for servicing an NSS

on Egmont. Neither we nor the US (who run the defence facility)

would want Soviet personnel there.

6.2

Virtually no potential for verification

very high back-

ground noise level from proximity of sea. Not a possible site for

clandestine testing.

BELIZE

7.1

Our policy is to bring Belize to independence. Only the

Guatemalan territorial claim prevents this. The timing of a

settlement cannot be predicted. The establishment of NSS on

Belize would imply a UK expectation to remain for some time,

conflicting with our declared intention of bringing Belize to

independence as soon as possible. Guatemala could be expected to

CONFIDENTIAL

/object.

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