Installation guide
 Appendix B: Specifications     
21-6    SkyView System Installation Guide - Revision R 
SV-COM-C25 Radio Frequency Specifications 
Specification 
Characteristics 
FCC Identification 
WU6-310001-000 
Frequency Range 
118.000 – 136.975 MHz 
Transmitter Power 
6W 
Channel Size 
25 KHz 
Transmitter 
Modulation 
A3E 
Acceptable VSWR 
3:1 
Sensitivity 
-111dBm @ 12dB 
Table 67 - SV-COM-C25 Specifications 
SV-COM-X83 (TY91L VHF Radio Unit) Radio Technical Specifications 
Specification 
Characteristics 
Compliance 
ETSO 2C169a Class C, E, H1, H2, 4, 6 
ETSO 2C128 
TSO C169a Class C, E, 4, 6, TSO C128a 
FCC Identification 
VZI00882 
Applicable documents 
EUROCAE ED-23C 
EUROCAE ED-67 
EUROCAE ED-14F (RTCA DO-160F) 
RTCA DO-186B 
RTCA DO-207 
Software 
ED-12B (RTCA DO-178B) Level B 
Hardware 
DO-254 Level C 
Power Requirements 
11 – 33 volts DC 
Typical 2.8 watts @ 14volts, receive 
Typical 28 watts @ 14 volts, transmit 
Maximum current 3.2A. 
Altitude 
55,000 feet 
Humidity 
95% @ +50°C for 6 hours 
85% @ +38°C for 16 hours 
Tested to Category A in DO-160F 
Operating 
Temperature 
-20°C to +70°C 










