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Telemetry


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Lets explore some current commercial drone communication specs

First thing is understanding the regulation

Compliance is your responsibility. Check that your radios comply with your regional/country regulations for frequency, hopping channels and power levels.

applicable standards for users without any special license. If you are have an application specific license or have a HAM license then you should know what rules are applicable to you.

usa 
regulation
FCC 15.247
SikRadio 900MHz MIN_FREQ: 902000 MAX_FREQ: 928000 NUM_CHANNELS=50 Standard: FCC 15.247
RFD900 868MHz

Our choice is

Transceiver Telemetry Radio V3.   500mW Telemetry Radio V3 915MHz

Screen Shot 2021 04 24 at 6.07.30 PM

setup  https://ardupilot.org/planner/docs/common-connect-mission-planner-autopilot.html

 

 

 

Telemetry to consider

RFD 900x Modem

 

 

 

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(@admin)
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Joined: 10 months ago
Posts: 132
Topic starter  

 

Our 3d printed commercial drone build is moving into telemetry.  Setting up a ground control and preparing to get the blades spinning

Cube Yellow and Spekworks Kore carrier is the setup with the first build. 

A Here3 was selected for the gps but getting this configured has become a problem.

Holybro telemetry was chosen and also trying to setup a radio link for manual flight

1dr
holybro sik radio

 

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(@admin)
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Joined: 10 months ago
Posts: 132
Topic starter  

Question
The telemetry setup offers SIK Radio.   How does this fit in

SiK is a collection of firmware and tools for radios based on the cheap, versatile SiLabs Si1000 SoC.
SiK Telemetry Radio is one of the easiest ways to setup a telemetry connection between your Autopilot and a ground station.

https://github.com/LorenzMeier/SiK

https://ardupilot.org/copter/docs/common-sik-telemetry-radio.html

Stick to quality manufactures and aviod ebay  “clones”

 

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Ser#1 drone planned method 

Mission Planner to control computer via Mavlink protocol

Mission Planner is a full-featured ground station application for the ArduPilot open source autopilot project and PX4.

MAVLink  is a very lightweight messaging protocol for communicating with drones  has been used since 2009 to communicate between many different vehicles, ground stations (and other nodes) over varied and challenging communication channels (high latency/noise). It provides methods for detecting packet drops, corruption, and for packet authentication.

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