7 BOOM BOX 3 Dynamite Controller
2. Boom Box 3 System Description
The Boom Box 3 (BB3) is a new generation of Blasters for Seismic Exploration.
The BB3 is specifically designed to operate more efficiently with autonomous continuous Seismic
Recording systems.
The BB3’s main features are:
• Internal Clock is synchronized to GPS time.
• All Shot data including shot times to microsecond accuracy is stored in non-volatile
memory in the unit.
• Wi-Fi HTML interface that allows viewing of shot information and setting BB3 parameters
on many Cell phones, PCs, or Tablet computer
• Shot timing is synchronized to GPS clock for firing on 8 msec sample boundaries. This
assures no sample skew on most autonomous seismic recording systems.
• Compatible with older Boom Box units in standard VP radio mode. This allows the newer
BB3 units to operate with the older Boom Box equipment on the same crew.
• Multiple Modes of operation
o Autonomous mode – Decoder unit’s use GPS time to fire the shots. No Encoder
unit or Radio telemetry is required. Multiple shooters can be used with no overlap
of shot times.
o Standard Radio Mode – (UE/VP Mode) Decoders receive start commands from
central Encoder unit via a VHF/UHF radio. Compatible with older Boom Box
units operating in VP mode.
o F3 Radio Mode. The F3 radio mode is used to start the Boom Box 3 on an exact
GPS time. The Encoder and radio are still used to send the radio start codes to the
Decoder unit. The precise GPS time of the Fire is sent to the Decoder and the
Decoder unit fires the shot at the precise time requested. This mode is especially
useful when using digital radios with unknown or variable modulation delays.
2.1.1 Boom Box 3 and Boom Box differences
There are important differences between the Boom Box 3 and the older Boom Box unit
Decoder Cable
The BB3 Decoder cable has an added wire for the PPS pulse from the GPS receiver. The BB3 can
operate with the older Boom Box decoder cable, but the GPS time will not be set. The BB3 will
communicate and operate the same as the older Boom Box unit with the old Boom Box cable.
The new BB3 decoder cable should not be used with the older Boom Box units. The PPS pulse
from the GPS will be grounded by the older Boom Box units. This could damage the GPS
receiver.
Parameter Loading
The basic parameters of the BB3 can be loaded using the older Source Control software. However,
many of the new parameters of the BB3 must be loaded using either the Wi-Fi interface or the
SourceLink software.
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