Comparison Chart
|
Feature group |
Feature |
Sigma |
Cableless systems with only shootblind capability |
Cableless systems with some data return capability |
Benefit of feature and related issues |
 |
Geophone arrays |
Yes |
Yes |
Yes |
All may be required. |
|
Single sensor |
Yes |
Yes |
Yes |
||
|
3C |
Yes |
Limited |
Limited |
||
|
Digital 3C |
Yes |
Limited |
Limited |
||
|
Hydrophones |
Yes |
Limited |
Limited |
||
|
Remote control for active sensor power |
Yes |
No |
Limited |
||