Station Identifiers WMO; OBS. WIGOS station identifiers WHY do we need station identifiers? WHAT...
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Transcript of Station Identifiers WMO; OBS. WIGOS station identifiers WHY do we need station identifiers? WHAT...
Station Identifiers
WMO; OBS
WIGOS station identifiers
WHY do we need station identifiers? WHAT is proposed? WHO is involved?
Why do we need station identifiers?
To link observations and their metadata Time series Systematic errors Avoid transmission of
unchanging information World Weather Watch
IIiii – have run out Non-WWW
How refer to “partner” systems?
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IA...IA
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What is proposed?
Principles No implicit meaning in station identifiers All contributing observations must have station
identifier Unique – no station identifier refers to more than
one station/platform Applicable to all observing systems operated by
anyone Extensible – so do not need to issue new
identifiers if system needs to be expanded Absorb existing systems for identifiers
Proposed structure – WIGOS Station Identifier
Component Role Initial
Range (?)
WIGOS Identifier Series
Allows future expansion
0-3
Issuer of identifier Allow delegation of issuing identifiers
0-1023
Issue number Sub-delegation, or absorb historic ids
0-1023
Local Identifier Number for WIGOS
Mixed for imported
0-999,999
10 characters
Examples – “import” WWW identifiers
Example WIGOS Id Series
Issuer of Identifier
Issue Number
Local Identifier
Land, SI=0
0-0-0-60351
0 0 0 60351
U/air, SI=0
0-1-0-57816
0 1 0 57816
Buoy
0-2-5-5900191
0 2 5 5900191
Ship
0-4-0-XY123AB
0 4 0 XY123AB
Examples – new identifiers
Example WIGOS Id Series
Issuer of Identifier
Issue Number
Local Identifier
UK station
0-619-3-1234546
0 619 3 123456
Canada
0-530-1-02536
0 530 1 03536
?CTBTO?
0-891-0-WIEN
0 801 0 WIEN
Who is involved?
Secretariat – transfer WWW into system Operators – provide WIGOS observation metadata
for each registered station Permanent Representatives – issue (and record in
WIGOS metadata “index”) Perhaps (for discussion by ICG-WIGOS)
Approved international operators (eg CTBTO) Self-registration of amateurs (eg Met Office
WoW) Self-registration of other operators
Summary
Single system of station identifiers Unique Can absorb existing systems “meaningless”
Extensible Can
Delegate issuing numbers Who can issue numbers?
