the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
| 27 Jun 2025
A new magnetic observatory in the Arctic – Pituffik Space Base (PIF)
Abstract. Pituffik Space Base is a newly established geomagnetic observatory located in the high Arctic – a region with sparse geomagnetic observational coverage. Positioned within the polar cap at Quasi-Dipole geomagnetic coordinates 83.19° latitude and 25.25° longitude, the observatory provides valuable data from a geophysical significant area. The observatory was carefully designed and constructed using non-magnetic materials with special considerations for the Arctic conditions. All building components were pre-assembled and tested in Denmark before being disassembled, shipped, and reassembled at the remote site in northwest Greenland. This paper presents the observatory design, and an analysis of over one year of operational data, including baseline stability, temperature control, and calibrated vector and scalar magnetic field measurements. The results demonstrate stable baselines and high data quality, confirming the observatory's readiness for data-distribution to the international geomagnetic community.
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CC1: 'Comment on egusphere-2025-2567', Jürgen Matzka, 08 Jul 2025
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The manuscript “A new magnetic observatory in the Arctic - Pituffik Space Base (PIF)” by Anna Willer, Lars William Pedersen, Jan Oechsle1 and Marie Vigger Eldor is a very nicely written account of a new geomagnetic observatory in the Arctic and contains valuable information for the geomagnetism community. I have only few comments.
Figure 2
Improve resolution of the text (e.g. „Direction on Azimuth mark“, „Electronics“). The same applies to Figure 5, Figure 6, Figure 7, Figure 8, Figure 9.
Line 49
What exactly is meant with the method described in Newitt et al.? Is it the method described on page 36 of Newitt et al?
Figure 3
Is the central photograph showing M1?
What is a “Sun footprint mark”?
Is there a reference to Figure 4 in the text?
Line 118
Kloss et al, 2024 -> Kloss et al., 2024
Figure 9 is mentioned in the text before Figure 8, could you move the sentence referring to Figure 9 further down?
Line 127
This is not only limited time synchronization accuracy, also the different filtering could play a role: The GSM measures for a few 100 ms at some point after polarization, while the FGE is likely sampled continuously at 100 Hz or so and then properly filtered.
Citation: https://doi.org/10.5194/egusphere-2025-2567-CC1 -
RC1: 'Comment on egusphere-2025-2567', Jürgen Matzka, 08 Jul 2025
reply
The manuscript “A new magnetic observatory in the Arctic - Pituffik Space Base (PIF)” by Anna Willer, Lars William Pedersen, Jan Oechsle1 and Marie Vigger Eldor is a very nicely written account of a new geomagnetic observatory in the Arctic and contains valuable information for the geomagnetism community. I have only few comments.
Figure 2
Improve resolution of the text (e.g. „Direction on Azimuth mark“, „Electronics“). The same applies to Figure 5, Figure 6, Figure 7, Figure 8, Figure 9.
Line 49
What exactly is meant with the method described in Newitt et al.? Is it the method described on page 36 of Newitt et al?
Figure 3
Is the central photograph showing M1?
What is a “Sun footprint mark”?
Is there a reference to Figure 4 in the text?
Line 118
Kloss et al, 2024 -> Kloss et al., 2024
Figure 9 is mentioned in the text before Figure 8, could you move the sentence referring to Figure 9 further down?
Line 127
This is not only limited time synchronization accuracy, also the different filtering could play a role: The GSM measures for a few 100 ms at some point after polarization, while the FGE is likely sampled continuously at 100 Hz or so and then properly filtered.
Citation: https://doi.org/10.5194/egusphere-2025-2567-RC1
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