R T M 3 2 0 5 U s e r M a n u a l
151
"Smarter Timing Solutions"
Appendix
K
Specifications
The following accuracy and stability specifications assume a stationary position (not dynamic mode),
four satellite lock, and the antenna mounted with a full view-of-the-sky.
GPS Receiver:
L1 Band – 1575.42 MHz.
12 Channels, C/A Code (16 correlators).
Static mode and dynamic-platform mode (shipboard only).
15 dB minimum gain at receiver input.
Timing Receiver Autonomous Integrity Monitoring (TRAIM).
TNC connector (female) on rear panel, Zin = 50Ω, 5 VDC to antenna.
GPS Antenna Kit (Option):
Antenna
TNC jack on rear panel, Zin = 50Ω, antenna power = +5V.
In40 dB gain LNA with bandpass filter for out-of-band interference rejection.
Rugged, all-weather housing capable of operation over –40°C to +85°C.
MTBF: 163,441 hours at 70° C.
Size: 3.25”H x 3.0” diameter.
Mounting via 18” long, 3⁄4” pipe with stainless steel clamps.
50’ low-loss RG-59 downlead cable standard.
Extension cables and low noise pre-amplifiers are available.
Time to Lock:
< 10 minutes, typical (OCXO).
Timing Characteristics:
Accuracy:
< 10 nanoseconds RMS to UTC(USNO) when locked.*
Stability:
TDEV < 10 ns,
τ
< 10
5
seconds,
σ
y
(
τ
) < 6.0x10
-14
@
τ
=10
5
secs.
Stability:
TDEV < 2 ns,
τ
< 10
5
seconds,
σ
y
(
τ
) < 4.0x10
-14
@
τ
=10
5
secs with the RTIC Option.
See
Chapter 11 - Real-Time Ionospheric Corrections, Specifications
.
User-Calibration:
+/- 500 us, 1 ns resolution.
*See
for details.
Platform:
Operating System Kernel Version:
3.2.2
Slackware Linux Distribution:
14.2
Processor:
1.2 GHz.
RAM:
512M
FLASH:
512M
Summary of Contents for RTM3205
Page 2: ......
Page 6: ...R T M 3 2 0 5 U s e r M a n u a l This page intentionally left blank...
Page 18: ...R T M 3 2 0 5 U s e r M a n u a l This page intentionally left blank...
Page 126: ...R T M 3 2 0 5 U s e r M a n u a l 108 A P P E N D I X A This page intentionally left blank...
Page 154: ...R T M 3 2 0 5 U s e r M a n u a l 136 A P P E N D I X E This page intentionally left blank...
Page 156: ...R T M 3 2 0 5 U s e r M a n u a l 138 A P P E N D I X F This page intentionally left blank...
Page 160: ...R T M 3 2 0 5 U s e r M a n u a l 142 A P P E N D I X G This page intentionally left blank...
Page 168: ...R T M 3 2 0 5 U s e r M a n u a l 150 A P P E N D I X J This page intentionally left blank...
Page 179: ......