Me and a team have been working on a robot that is being deployed from a 30k ft rocket. The robot is deployed at about 1500 feet with the main parachute. The robot is meant to use sensors to describe the environment and I'm trying to see if its possible to transmit the data from the sensors to a computer or another arduino. The problem is that the robot could be anywhere from 1-6km away, no wifi, no satellites, and no service. I've looked into Hamshield, nrf24L01, and Xbee. I haven't been able to find a reliable solution. Is this even possible?
I understand that Lora is good for long range.
+1 for LoRa modules. Last I looked, the range record for high altitude balloons was around 800 km. Only very low data rates are allowed.
Will a LoRa module penetrate through shrubs and grasses? Launch is to be in New Mexico.
To some extent. Experimentation will reveal deep truths.
There will be attenuation caused by vegitation, trees etc, for some practical tests see here;
Current range record for Earth based LoRa, ground to high altitude balloon is 832km.
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