Notation	Name	Description	Status
1	No deficiency		stable
2	Observations not made regularly		stable
3	Observations not made at right time		stable
4	Observations made but not disseminated		stable
5	Observations made and sent to incorrect users		stable
6	Collection not received		stable
7	Collection transmitted late		stable
8	Collection not transmitted		stable
9	Difficulties in HF propagation and selection of suitable frequency		stable
10	Difficulties in maintenance of communication equipment at remote stations		stable
11	No alternative arrangement for routing meteorological observation		stable
123	Missing value		stable