Repeat measurements are taken periodically at locations identified by a permanent marker. They are usually taken on a 3-5 year interval with a duration of 1-2 weeks. In many cases, different names were used each year or the marker may have been moved. Data from observatories are also grouped with the repeat data when less than three consecutive years of vector data are available or when scatter is particularly high.
World-wide Repeat observations from NOAA and BGS
CD: SURVEYMISC1
Files: /repeat/su4000.001 - 3
Format: NOAAR
Processed Repeat observations
Data distribution is shown in Figures 7.15 - 7.19
CD: SURVEYPROC1
Files: /repeat/su4500.f01 - 18
/repeat/su4502.f01
Format: ASC
Vector Repeat measurements prepared for the main field model GSFC(S95-xx)
Data distribution is shown in Figure 7.24
CD: SURVEYPROJ1
Files: repl.iee
Format: BIN
Non-vector and scalar Repeat measurements prepared for the main field model GSFC(S95-xx)
Data distribution is shown in Figure 7.24
CD: SURVEYPROJ1
Files: repn.iee
Format: BIN
Repeat measurements from BGS for 1993 and 1994 (vector, non-vector, and scalar) covering parts of Central Africa, Spain, and South America and prepared for the main field model GSFC(S95-xx)
Data distribution is shown in Figure 7.24
CD: SURVEYPROJ1
Files: rep9394.iee
Format: BIN
Observatory data treated as Repeat data (vector, non-vector, and scalar) prepared for the main field model GSFC(S95-xx)
Data distribution is shown in Figure 7.25
CD: SURVEYPROJ1
Files: repox94.iee
Format: BIN