Icebergs near Uppsala glacier

The catamaran was extremely fast and within 30-40 min we were deep in the fjords. We first encountered the icebergs at the opening of the fjord towards the Uppsala glacier.
The Upsala Glacier is aRead more
The catamaran was extremely fast and within 30-40 min we were deep in the fjords. We first encountered the icebergs at the opening of the fjord towards the Uppsala glacier.
The Upsala Glacier is aRead more
Traveler
Do they have any electronic/sonar type of warning system of encountering calved ice pieces or it is just by visual expertise ?
The Craze for Travelling
They do have the normal GPS system and the sonar gauge.