VLBI Frequency Comparison in 2018 Ver.1

1. Experiments List

2. Frequency Link

2.1 Summary

1. (Updated on 15 Apr. 2019)

   	VLBI(Averaging 4 solutions) and IPPP	VLBI(VMF1 Dry+Wet kai2=1) and IPPP	VLBI(VMF1 Dry+Wet natural weight) and IPPP
   Sr/Yb link
   VLBI-IPPP diff.

2. Freq. Link by Each Single Experiment Plots of the data are updated, but Values in this table is not updated yet, sorry.

   LINK	14-15 Feb.2019	25-26 Jan.2019	15-16 Jan.2019	25-26 Dec.2018	15-16 Dec.2018	5-6 Dec.2018	24-25 Nov.2018	14-15 Nov.2018	4-5 Nov.2018	14-15 Oct.2018
   VLBI HM3(NICT)-HM(INAF)	+6.990(7)e-13 s/s	7.097(3)e-13 s/s	7.176(3)e-13 s/s	3.787(6)e-13 s/s	3.807(16)e-13 s/s	3.910(21)e-13 s/s	3.933(27)e-13 s/s	3.984(12)e-13 s/s	4.014(15)e-13 s/s	4.106(13)e-13 s/s
   IPPP HM3(NICT)-HM(INAF)	--			3.7786(17)e-13 [s/s]	3.814(2)e-13 [s/s]	3.872(2)e-13 [s/s]	3.9358(15)e-13 [s/s]	3.9916(32)e-13 [s/s]	4.0297(23)e-13 [s/s]	--
   DMTD HM3(NICT)-HM15(NICT)	1hour interval data: 13.344(1)e-13 s/s 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	13.15879(8)e-13 s/s	13.0840(9)e-13 s/s	12.9336(6)e-13 s/s	12.8805(8)e-13 s/s	12.7730(9)e-13 s/s
   Sr-HM15,HM3(NICT)	8.3937(6)e-13 s/s	8.2092(6) e-13 s/s	8.1181(6) e-13 s/s	7.9501(6) e-13 s/s	7.880(7) e-13 s/s	7.7733(6) e-13 s/s	-4.9946(6) e-13 s/s	-5.0151(6) e-13 s/s	-5.0109(12) e-13 s/s	-5.0087(6) e-13 s/s
   Fiber Link HM(INAF)-HM3(INRiM)	7.251(6)e-13 s/s 7.2412(45)e-13 s/s	7.1311(3)e-13 s/s	7.050(6)e-13 s/s	10.369(3)e-13 s/s	10.264(3)e-13 s/s	10.173(8)e-13 s/s	10.1117(43)e-13 s/s	10.028(3)e-13 s/s	9.940(2)e-13 s/s	9.754(4)e-13 s/s
   HM3(INRiM)-Yb	-9.2958(15)e-13 s/s	-9.2759(6)e-13 s/s	-9.254(1)e-13 s/s	-9.1348(12)e-13 s/s	-9.0923(21)e-13 s/s	-9.042(4)e-13 s/s	-9.025(1)e-13 s/s	-8.9935(10)e-13 s/s	-8.9643(14)e-13 s/s	-8.8754(13)e-13 s/s
   Summary [(Sr/Yb) - 1]	-9.1(7) e-16 Err -14.8 (8.5)e-16	0.9(5.8)e-16	8.1(8.6)e-16	VLBI-link:12.8(8)e-16, IPPP-link:4.5(5)e-16	VLBI-link:-22(18)e-16, IPPP-link:-14.3(8)e-16	VLBI-link:41(23)e-16, IPPP-link:3.4(9)e-16	VLBI-link:25(27)e-16, IPPP-link:28(5)e-16	VLBI-link:3(12)e-16, IPPP-link:11(4.5)e-16	VLBI-link:-21(12)e-16, IPPP-link:-5(3.6)e-16	VLBI-link:-24(13)e-16

3. Link Summary
   [xlsx]

3 Individual Link

3.1 Yb-HM(INRiM)

Period	Plot	Comment
2018/270 2019/2/27

3.2 HM(INAF)-HM(INRiM)

Period	Plot	Comment
2018/10/15 - 2019/02/22

3.3 HM(NICT HM3)-Sr

Period	Plot	Comment
2018/9/21 -- 2019/2/15

3.4 HM3-HM15 Freq Link

Period	Plot	Comment
(2018/9/1 - 2019/2/19)

3.5 VLBI: H-Maser(Medicina)-H-Maser#3 (NICT) in 14 Oct. - (Stations:Kashima34, MBL1, MBL2)

• VLBI Batch Solution with Calc/SOLVE by INAF(Monia Negsini)
  
  • Residual Plot
  • Clock Parameters (text) [xlsx]
  
  
• VLBI Solution by NICT (Mamoru Sekido)

  Exp.Date	Single Session	Comment	Multi Session	PolyFit	Misc
  14-15 Feb.		Data:VLBI-Feb14/	Oct14- Feb14	Polynomial Fit Residual	Alan Std.
  04-05 Feb.		Data:VLBI-Feb04/	Oct14-Feb04	Polynomial Fit Residual	Alan Std.
  25-26 Jan.		Data:VLBI-Jan25/	Oct14-Jan25	Polynomial Fit Residual	Alan Std.
  15 Jan.		Data:VLBI-Jan15/	Oct14-Jan15	Polynomial Fit Residual
  25 Dec.		Data:VLBI-Dec25/	Oct14-Dec25	Polynomial Fit Residual
  15 Dec.		Data:VLBI-Dec15/	Oct14-Dec15	Polynomial Fit Residual
  04 Dec.		Data:VLBI-Dec04/	Oct14-Dec04	Polynomial Fit Residual
  24 Nov.		Data:VLBI-Nov24/	Oct14-Nov24	Polynomial Fit Residual HM(NICT)-Yb(Including VLBI-link), HM(NICT)-Sr
  14 Nov.		Data:VLBI-Nov14/	Oct14-Nov14
  04 Nov.		Data:VLBI-Nov04/	Oct.14-Nov.04
  24 Oct.
  14 Oct.		Data:VLBI-Oct14/

  3.6 IPPP H-Maser(Medicina)-UTC(NICT)+ UTC(NICT)-HM3(NICT) by BPIM

4. (Pre Exp.) H-Maser(Medicina)-UTC(NICT) in 14 Aug. - 06 Oct.

Exp.Date	Single Band	WBWS	Comment
04 Oct.			Kashima34, MBL1, MBL2
31 Aug.			Ishioka13, MBL1, MBL2
21 Aug.			Ishioka13, MBL1, MBL2
14 Aug.			Ishioka13, MBL1, MBL2

NICT HMaser#3, #15 - Sr Monitor

All Span	Nov

INRIM HMaser - INRIM Yb Monitor

All Span	Nov5-6