Open Access

Table 1.

SONG campaigns.

Node Start End N Δt
(dd-mm-yyyy) (dd-mm-yyyy) (s)
Tenerife 30-08-2014 14-11-2014 12 666 120
Tenerife 30-10-2017 10-11-2017 837 120
Delingha 30-10-2017 10-11-2017 2083 180
Tenerife 01-11-2019 28-11-2019 2573 120

Notes. The start and end date of a SONG campaign at a given node with number of observations (N) and the exposure time (Δt).

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