Dear Sir,


The following is the preliminary analysis for the station HKC.  Please note
that long period records include all 3 components but short period records
consist of the vertical component only.

MAY 1999

MAY16
iP    E'N'Z'  005942      Compr. to NW
iS      N'    010655

iP    E'N'Z   153235.2    Compr. to NW

MAY17
iP    E'N'Z'  101627      Compr. to NW

MAY18
 P    E'N'Z'  042748      Dilat. to SE

iP    E'N'Z'  195722      Compr. to NW
iS      N'    200104

MAY19
NIL

MAY20
NIL

MAY21
NIL

MAY22
iP        Z'  102004      Dilat.

 P        Z'  230458      Dilat.

MAY23
NIL

MAY24
NIL

MAY25
NIL

MAY26
NIL

MAY27
iP        Z"  062028.0    Compr.

MAY28
NIL

MAY29
iP        Z"  201527.8    Compr.
iS      N'Z'  201925

MAY30
NIL

MAY31
NIL

'  Indicates long period records only
"  Indicates short period records only


Yours faithfully,


(Y.K. LEUNG)
for Director of the Hong Kong Observatory



Dear Sir,


The following is the preliminary analysis for the station HKC.  Please note
that long period records include all 3 components but short period records
consist of the vertical component only.

MAY 1999

MAY 1
NIL

MAY 2
NIL

MAY 3
 P        Z"  044821.8    Dilat.

MAY 4
NIL

MAY 5
NIL

MAY 6
iP    E'  Z'  231037      Compr. to E
iS      N'Z'  231818

MAY 7
iP        Z"  010513.8    Compr.
iS        Z"  010631.8

iP    E'N'Z'  142527      Compr. to SW
iS    E'      143458

MAY 8
NIL

MAY 9
NIL

MAY10
iP    E'N'Z   204109.4    Dilat. to SE
iS      N'    204742

MAY11
NIL

MAY12
iP    E'N'Z   180544.1    Dilat. to NE
iS      N'    181052

MAY13
iP    E'N'Z   135951.2    Compr. to NW
iS      N'    140404

MAY14
NIL

MAY15
NIL


'  Indicates long period records only
"  Indicates short period records only


Yours faithfully,


(Y.K. LEUNG)
for Director of the Hong Kong Observatory