표 1. | Table 1. 통신․항법 안테나 체계 지상시험 항목 및 방법 | The items and methods of system ground test for communication and navigation antennas.

Index	Equipment	Items	Method	Criteria	Requirement
Comm. antenna	VHF-FM radio	Trans. power	Measure output power for freq. using wattmeter	8~25 W	Equipment power
		VSWR	Measure VSWR for freq. using network analyzer	≥3:1	System refer.
	U/VHF-AM radio	Trans. power	Measure output power for freq. using wattmeter	9~15 W	Equipment power
		VSWR	Measure VSWR for freq. using network analyzer	≥3:1	System refer.
IFF antenna	IFF (transponder)	Trans. power	Measure output power for freq. using wattmeter	below 15 W	AIMS 1102
		VSWR	Measure VSWR for freq. using network analyzer	≥2:1	AIMS 1102
Naviga. antenna	VOR/ILS	VSWR	Measure VSWR for freq. using network analyzer	≥5:1 (VOR/LOC)≥3:1 (Glide Slope)	RTCA/DO-196/195/192
	Marker Beacon			≥3:1	RTCA/DO-143
	GPS			≥3:1	Commercial antenna
	TCAS/DME/TACAN			≥2:1 (TCAS)≥3:1 (DME/TA	RTCA/DO-185RTCA/DO-189
	RALT			≥3:1	Equipment VSWR