Instrumentation & Measurement Magazine 25-6 - 22

Fig. 3. Time difference of the two long baselines. (a) NTSC-PTB link; (b)
KRISS-PTB link.
frequency stability of TWSTFT links can reach about 3E-15
at averaging times of 1 d over the baselines of NTSC-PTB,
PL-PTB and KRIS-NTSC, and can even reach 1E-15 on the
KRISS-PTB baseline. Compared with GPS PPP links, the stability
of the TWSTFT results for the KRISS-PTB link is improved
when the averaging time is greater than 1 d, and the stability
of the TWSTFT results for other links are improved when
the averaging time is greater than 3 d. We also obtain the double
clock difference (DCD) results between the TWSTFT and
GPS PPP results on the four baselines to evaluate the accuracy
Fig. 5. MDEVs of the two long baselines. (a) NTSC-PTB link; (b) KRISS-PTB
link.
Fig. 4. Time difference of the two short baselines. (a) PL-PTB link; (b) KRISSNTSC
link.
22
Fig. 6. MDEVs of the two short baselines. (a) PL-PTB link; (b) KRISS-NTSC
link.
IEEE Instrumentation & Measurement Magazine
September 2022

Instrumentation & Measurement Magazine 25-6

Table of Contents for the Digital Edition of Instrumentation & Measurement Magazine 25-6

Instrumentation & Measurement Magazine 25-6 - Cover1
Instrumentation & Measurement Magazine 25-6 - Cover2
Instrumentation & Measurement Magazine 25-6 - 1
Instrumentation & Measurement Magazine 25-6 - 2
Instrumentation & Measurement Magazine 25-6 - 3
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Instrumentation & Measurement Magazine 25-6 - Cover3
Instrumentation & Measurement Magazine 25-6 - Cover4
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https://www.nxtbook.com/allen/iamm/26-2
https://www.nxtbook.com/allen/iamm/26-1
https://www.nxtbook.com/allen/iamm/25-9
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