the mobile biosonar machine can be taken out into the field for ensonification
of natural targets in their environment. the machine now is mounted on
a wheelchair for easy transport of the heavy equipment (e.g. battery).
as loudspeakers and microphones Polaroid 600 are taken.
the amplifier circuits are custom-built in the Animal Physiology Department.
the sonar head can also be mounted on a crane for lowering it from a bridge.