 | |  |  |  | | |  | | Boltek Lightning Antenna
| | | | The direction-finding antenna is able to tell which direction the lightning signal is coming from. This Boltek antenna can be used with both the LD-250 and StomTracker lightning equipment. |
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 | |  |  |  | | |  | | Relay Output Module for LD-250 Lightning Detection System
| | | | The RLO-10 Relay Output Module provides three solid-state relay outputs for interfacing external devices to the LD-250 alarms and strike indicators. External devices such as PLC inputs or auxilliary indicators can be activated when the LD-250 alarm activates. |
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 | |  |  |  | | |  | | Boltek LDGPS-1 GPS Receiver for LD-250
| | | | In a mobile installation you need a compass or GPS to tell the LD-250 which direction your antenna is pointed. For a quick and low cost mobile option install the LDGPS in your car or truck. |
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