| 2015 (m) | 2019 (m) | ΔE (GPS) | ∆E (Map) |
DFM-004 | 1962.670 | 1962.562 | −0.108 | −0.05 |
DFM-001 | 2154.150 | 2154.038 | −0.112 | −0.018 |
H | 1992.735 | 1992.594 | −0.141 | −0.018 |
S | 2171.856 | 2172.084 | 0.228 | −0.014 |