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ETRA robot by Bryan Davis ETR uses Amateur "Packet Radio" to send telemetry to a remote host up to two miles away. In the future, two strands of small chain will be added around each wheel (just like snow chains :-)) to improve traction. The telemetry equipment will be reduced in size by using smaller radios and a smaller TNC (the packet radio node controller, the large vertical device on the top deck). ETR is based on a Max 99 Round Base |
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