Results for: Telecommunication Laboratories, ChungHwa Telecom Co. Ltd
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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Chinese Taipei, TL (Telecommunication Laboratories, ChungHwa Telecom Co. Ltd.)
Frequency ,
Frequency
:
5 MHz
Local frequency standard
Relative expanded uncertainty
:
5.0E-14 Hz/Hz
Phase comparison
Measurement time : 86400 s
Amplitude : > 0.5 V (50 Ω)
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-A7-005
CMC ID :
APMP-TF-TW-000006ZI-1
Time scale difference ,
Time scale difference
:
-0.5 s to 0.5 s
Local clock vs UTC
Absolute expanded uncertainty
:
1.0E2 ns
Comparison against predicted UTC
1 PPS amplitude : > 0.5 V (50 Ω)
Measurement time : 86400 s
Slew rate : > 0.5 V/ns
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-SR620A-005
CMC ID :
APMP-TF-TW-000006ZE-1
Frequency ,
Frequency
:
1 Hz to 3.00E8 Hz
General frequency source
Relative expanded uncertainty
:
3.0E-12 Hz/Hz
Direct frequency measurement
Measurement time : 86400 s
Amplitude : > 0.5 V (50 Ω)
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-SR620B-005
CMC ID :
APMP-TF-TW-000006ZG-1
Frequency ,
Frequency
:
10 MHz
Remote frequency standard
Relative expanded uncertainty
:
2.0E-13 Hz/Hz
GPS common-view
Averaging time : 1 d
Baseline length from TL : < 1000 km
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-RTFCS-002
CMC ID :
APMP-TF-TW-000006ZL-1
Frequency ,
Frequency
:
1 MHz
Local frequency standard
Relative expanded uncertainty
:
3.0E-13 Hz/Hz
Phase comparison
Measurement time : 86400 s
Amplitude : > 0.5 V (50 Ω)
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-SR620C-005
CMC ID :
APMP-TF-TW-000006ZH-1
Frequency ,
Frequency
:
3.00E8 Hz to 2.65E10 Hz
General frequency source
Relative expanded uncertainty
:
6.0E-12 Hz/Hz
Frequency down-conversion method
Measurement time : 100 s
Amplitude : > 0.5 V (50 Ω)
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-MICROWAVE-001
CMC ID :
APMP-TF-TW-000006ZK-1
Frequency ,
Frequency
:
10 MHz
Local frequency standard
Relative expanded uncertainty
:
5.0E-14 Hz/Hz
Phase comparison
Measurement time : 86400 s
Amplitude : > 0.5 V (50 Ω)
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-A7-005
CMC ID :
APMP-TF-TW-000006ZJ-1
Time interval ,
Time interval
:
-1000 s to 1000 s
Time difference source
Absolute expanded uncertainty
:
1 ns
Direct time interval measurement
1 PPS amplitude : > 0.5 V (50 Ω)
Measurement time : 86400 s
Slew rate : > 0.5 V/ns
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-SR620A-005
CMC ID :
APMP-TF-TW-000006ZD-1
Time scale difference ,
Time scale difference
:
-0.5 s to 0.5 s
Remote clock vs UTC
Absolute expanded uncertainty
:
3.5E1 ns
GPS common-view time transfer
Averaging time : 1 d
Baseline length from TL : < 1000 km
Included best DUT's effect
Approved on 10 March 2015
Institute service identifier : TL/NSTF-ICT-RTFCS-002
CMC ID :
APMP-TF-TW-000006ZF-1
