VLBI Frequency Comparison in 2018 Ver.3

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1. Experiments List

Experiment information and analysis VLBI MK3 Database Files
Month Exp.
2018 Aug. 14Aug.(iv8226), 21Aug.(iv8232), 31Aug.(iv8243)
2018 Oct. 04Oct.(gv8278), 14Oct.(gv8287), 24Oct.(gv8297)
2018 Nov. 04Nov.(gv8308), 14Nov.(gv8318), 24Nov.(gv8328),
2018 Dec. 04Dec.(gv8338), 15Nov.(gv8348), 25Nov.(gv8358)
2019 Jan. 15Jan.(gv9015), 25Jan.(gv9025)
2019 Feb. 04 Feb.(gv9035), 14Feb.(gv9045)

2. Frequency Link

  1. Link Summary
    Following is Frequency link over multiple H-Masers through VLBI or IPPP
  2. Plot of Link Data (Updated on 24 June 2019)
    VLBI(VMF3 Dry+Wet+Grad) and IPPP VLBI(VMF1 Dry+Wet kai2=1) and IPPP VLBI(VMF1 Dry+Wet natural weight) and IPPP
    Sr/Yb link Sr/Yb-Link
   final Sr/Yb Link plot VLBI(VMF1)-IPPP VLBI(D+W) natural weight
    VLBI-IPPP diff. VLBI(VMF3)-IPPP VLBI(VMF1)-IPPP VLBI(D+W) natural weight

  3. Double Difference Between VLBI and IPPP in 2018
    IPPP,VLBI IPPP,VLBI
    O4 Nov. 14 Nov.24 Nov. 04 Dec.15 Dec.25 Dec. 15 Jan.25 Jan.14 Feb.
    VLBI,IPPP VLBI,IPPP VLBI,IPPP VLBI,IPPP VLBI,IPPP VLBI,IPPP VLBI,IPPP VLBI,IPPP VLBI,IPPP VLBI,IPPP
    VLBI-IPPP VLBI-IPPP VLBI-IPPP VLBI-IPPP VLBI-IPPP VLBI-IPPP VLBI-IPPP VLBI-IPPP VLBI-IPPP VLBI-IPPP
  4. Freq. Link by Each Single Experiment
    LINK 14-15 Oct.2018 4-5 Nov.2018 14-15 Nov.2018 24-25 Nov.2018 5-6 Dec.2018 15-16 Dec.2018 25-26 Dec.2018 15-16 Jan.2019 25-26 Jan.2019 14-15 Feb.2019
    VLBI HM3(NICT)-HM(INAF) 4.147(19)e-13 s/s
    Kog-Med Oct14 Time Diff data ,
    VLBI Solution(file)
    4.0248(91)e-13 s/s
    Kog-Med Nov04 Time Diff data ,
    VLBI Solution(file)
    3.9830(42)e-13s/s
    Kog-Med Nov14 Time Diff data ,
    VLBI Solution(file)
    3.925(15)e-13 s/s
    Kog-Med Nov24 Time Diff data ,
    VLBI Solution(file)
    3.8590(33)e-13s/s
    Kog-Med Dec04 Time Diff data ,
    VLBI Solution(file)
    3.8116(38)e-13s/s
    Kog-Med Dec15 Time Diff data ,
    VLBI Solution(file)
    3.7861(74)e-13 s/s
    Kog-Med Dec25 Time Diff data ,
    VLBI Solution(file)
    7.1716(74)e-13 s/s
    Kog-Med Jan15 Time Diff data ,
    VLBI Solution(file)
    7.114(13)e-13 s/s
    Kog-Med Jan25 Time Diff data ,
    VLBI Solution(file)
    6.990(13)e-13 s/s
    Kog-Med Feb14 Time Diff data ,
    VLBI Solution(file)
    IPPP HM3(NICT)-HM(INAF) -- 4.0297(23)e-13 [s/s] IPPP Link 3.9916(32)e-13 [s/s] IPPP Link 3.9358(15)e-13 [s/s] IPPP Link 3.872(2)e-13 [s/s] IPPP Link 3.814(2)e-13 [s/s] IPPP Link 3.7786(17)e-13 [s/s] IPPP Link 7.17654(17)e-13 [s/s] IPPP Link 7.1058(2)e-13 [s/s] IPPP Link 7.0159(2)e-13 [s/s] IPPP Link
    DMTD HM3(NICT)-HM15(NICT) 12.7730(9)e-13 s/s
    HM3-HM15
    12.8805(8)e-13 s/s
    HM3-HM15
    12.9336(6)e-13 s/s
    HM3-HM15
    13.0840(9)e-13 s/s
    HM3-HM15
    13.15879(8)e-13 s/s
    HM3-HM15
    1hour interval data: 13.344(1)e-13 s/s
    HM3-HM15 HM3-HM15
    1sec interval data
    DMTD2:13.33(1)e-13 s/s
    DMTD3:13.344(5)e-13 s/s
    DMTD4:13.344(7)e-13 s/s
    DMTD HM3-HM15 1sec data.
    Sr-HM15,HM3(NICT) -5.0087(6) e-13 s/s
    Sr-HM15
    -5.0109(12) e-13 s/s
    Sr-HM15
    -5.0151(6) e-13 s/s
    Sr-HM15
    -4.9946(6) e-13 s/s
    Sr-HM15
    7.7733(6) e-13 s/s
    Sr-HM15
    7.880(7) e-13 s/s
    Sr-HM15
    7.9501(6) e-13 s/s
    Sr-HM15
    8.1181(6) e-13 s/s
    Sr-HM15
    8.2092(6) e-13 s/s
    Sr-HM15
    8.3937(6)e-13 s/s
    Sr-HM15
    Fiber Link HM(INAF)-HM3(INRiM) 9.754(4)e-13 s/s
    HM(INAF)-HM(INRiM)
    9.940(2)e-13 s/s
    HM(INAF)-HM(INRiM)
    10.028(3)e-13 s/s
    HM(INAF)-HM(INRiM)
    10.1117(43)e-13 s/s
    HM(INAF)-HM(INRiM)
    10.173(8)e-13 s/s
    HM(INAF)-HM(INRiM)
    10.264(3)e-13 s/s
    HM(INAF)-HM(INRiM)
    10.369(3)e-13 s/s
    HM(INAF)-HM(INRiM)
    7.050(6)e-13 s/s
    HM(INAF)-HM(INRiM)
    7.1311(3)e-13 s/s
    HM(INAF)-HM(INRiM)
    7.251(6)e-13 s/s 7.2412(45)e-13 s/s
    HM(INAF)-HM(INRiM)
    HM3(INRiM)-Yb -8.8754(13)e-13 s/s
    Hm-Yb
    -8.9643(14)e-13 s/s
    Hm-Yb
    -8.9935(10)e-13 s/s
    Hm-Yb
    -9.025(1)e-13 s/s
    Hm-Yb
    -9.042(4)e-13 s/s
    Hm-Yb
    -9.0923(21)e-13 s/s
    Hm-Yb
    -9.1348(12)e-13 s/s
    Hm-Yb
    -9.254(1)e-13 s/s
    Hm-Yb
    -9.2759(6)e-13 s/s
    Hm-Yb
    -9.2958(15)e-13 s/s
    Yb-HM3(INRiM)
    Summary [(Sr/Yb) - 1] VLBI-link:-24(13)e-16 VLBI-link:-21(12)e-16,IPPP-link:-5(3.6)e-16 VLBI-link:3(12)e-16, IPPP-link:11(4.5)e-16 VLBI-link:25(27)e-16, IPPP-link:28(5)e-16 VLBI-link:41(23)e-16, IPPP-link:3.4(9)e-16 VLBI-link:-22(18)e-16, IPPP-link:-14.3(8)e-16 VLBI-link:12.8(8)e-16, IPPP-link:4.5(5)e-16 8.1(8.6)e-16 0.9(5.8)e-16 -9.1(7) e-16 Err -14.8 (8.5)e-16