A dual band aprs digipeater with enhanced telemetry capabilities.
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# Installation and running the RPi-LoRa-shield with APRX
## Install needed packages
`
sudo apt install python3 python3-rpi.gpio python3-spidev aprx screen git python3-pil python3-smbus
`
## Checkout the code
Clone this repository.
## Configuration of APRX
```
In /etc/aprx.conf:
<interface>
tcp-device 127.0.0.1 10001 KISS
callsign NOCALL-4 # callsign defaults to $mycall
tx-ok true # transmitter enable defaults to false
# #telem-to-is true # set to 'false' to disable
</interface>
```
## Start the LoRa KISS TNC
```
python3 Start_lora-tnc.py &
```
# Alternative method using the AX.25 stack
This method is more complicated, but also more versitile as not all programs can communicate to a KISS device over TCP.
## Install needed packages
```
sudo apt install python3 python3-rpi.gpio python3-spidev aprx screen git python3-pil python3-smbus
```
## Checkout the code
Clone this repository.
## Configuration of APRX
```
In /etc/aprx.conf
<interface>
ax25-device $mycall
tx-ok true # transmitter enable defaults to false
# #telem-to-is true # set to 'false' to disable
</interface>
```
## Install and configure AX.25 stack
```
sudo apt install socat libax25 ax25-apps ax25-tools
sudo nano /etc/ax25/axports
add:
ax0 NOCALL-3 9600 255 2 430.775 MHz LoRa
```
## Start the LoRa KISS TNC
```
python3 Start_lora-tnc.py &
```
## Redirect KISS over TCP to AX.25 device
```
sudo socat PTY,raw,echo=0,link=/tmp/kisstnc TCP4:127.0.0.1:10001
sudo kissattach /tmp/kisstnc ax0
```