Having just reflashed the firmware on my LoRa Igate, I discovered I can view the received packets - maybe the new firmware (CA2RXU). Not sure I could do this before on the old firmware. TBH, probably never really looked.
Anyways. What is good / Bad in terms of RSSI vs SNR?
My Igate
Maybe this is down the the choice of antenna. I am currently running a antenna indoors, resting on a cupboard with the LilyGo mounted off the bottom of the antenna
Cheers
John
RSSI stands for receive signal strength indicator. An absolute measurement of a received signal, usually in dbm.
SNR is signal to noise ratio, in db.
Say you’re receiving a signal at -100dbm and your background noise is -110dbm then your SNR is 10db. You can demodulate the signal. Now the background noise increases to -80dbm, signal strength stays the same but your SNR is -20db, Ugg no good.
Hope this helps
You can also view your syslog here if enabled in your configuration.
It lets you see all packets, not just the ones that win the race to the APRS servers.
Thanks Paul. I had discovered the syslog setting - after I saw the link to the syslog in the CA2RXU config page.
When I get some time, I may look at getting a better antenna setup for LoRA APRS rather than a discone scanner antenna.
@WB2PHL Thanks for the info. RSSI/SNR is not something I have really looked into before.
