Radious investigation with 1 fix main station MOM 1000 mt. = 500 mt x 2 or more on request.
Passive seismic for 24 ch more than 60 minutes and much more.
Weight of wireless seismograph in base of number of channels, complete with 24 geophones:
12 ch 9 kg full system in blue trolley
less Shot Plate & Hammer
24 ch 18kg instead of 60Kg
48 ch 34 Kg instead of 130Kg
and so long...........................>
In the picture the brand new W2Z Seismograph completely without cables, an example of 24 channels (Unit)
with the MOM M in the total station functions for 256 ch units, assisted by T Trigger also without cables, except those for mace / plate.
Geophones with a blue dial are 4.5 Hz
Red dial geophones are 10 Hz