Meteorological aids station

Meteorological aids station (Item 3-2 of Article 2 Paragraph 1 of Certification Ordinance)

Test items		Technical standards
Test items		(1) 400 MHz band (Radiosonde)	(2) 1600 MHz band (Radiosonde)	(3) 400 MHz band (Radio robot)
Class of emissions		A1D, A2D F1D, F2D, F3D, F7D, F8D, F9D	A1D, A2D F1D, F2D, F7D, F8D, F9D V1D, V3D K2D	F1D, F2D
Assigned frequency or designated frequency		404.5MHz	1673.0MHz 1680.0MHz 1687.0MHz	402.0 - 406.0MHz
Number of channels and channel separation		1 frequency	3 frequencies	21 frequencies
Tolerance of frequency (×10^-6)		2500	4000	4
Tolerance of occupied bandwidth		1000kHz	6000kHz	8.5kHz
Tolerance of spurious and unwanted emission intensity	1W or less	Unwanted : 25µW Spurious : ---	Unwanted : 50µW Spurious : ---	Unwanted : 25µW Spurious : ---
Tolerance of spurious and unwanted emission intensity	Over 1W	Unwanted : 2.5µW Spurious : 2.5µW	Unwanted : 50µW Spurious : 100µW	Unwanted : 2.5µW Spurious : 2.5µW
Antenna power	Designated value	1W or less	K2D, V1D, V3D : 10 W or less Others: 1W or less	1W or less
Antenna power	Tolerance	+20%, -50%	+20%, -50%	+20%, -50%
Limit of secondary radiated emissions		4nW	4nW	4nW
Other equipment or function		-------	-------	-------
Note		-------	-------	-------

Notice: Regulations in the Ordinance Regulating Radio Equipment shall have priority over the descriptions in the sheet when any difference is found between them. Further above descriptions do not cover all of the regulations.