Feature group

Feature

Sigma

Cableless systems with only shootblind capability

Cableless systems with some data return capability

Benefit of feature and related issues

Download during recording

Included

Not possible

In most cases

If not using real time recording mode, then it is essential to be able to download data during acquisition or much more ground equipment may be required.
It is also essential to provide choice in how data can be downloaded as different field requirements benefit from different harvesting methods.

SMART downloading

Included

Not possible

Not applicable

Direct PC-to-ground unit hardwire connection in the field

Included

Not possible

Not possible

PC-to-ground unit wifi connection (internal) for pass-by harvesting

Option

Not possible

Not possible

PC-to-ground unit wifi connection (external) for pass-by harvesting

Option

Not possible

Not always an option

External USB memory

Option

Not possible

Not possible

Rack download

Option

Only option for most shootblind systems

In some cases

Mixed mode harvesting

Possible

Not possible

Not possible