diff --git a/README.md b/README.md index b474334..b1d193f 100644 --- a/README.md +++ b/README.md @@ -38,7 +38,7 @@ All work was done on ESP32-WROOM with custom made LoRa shield, if your ESP32 boa - lora module SS, **CfgPinSs**, GPIO_5 - lora module RST, **CfgPinRst**, GPIO_26 - lora module DIO0, **CfgPinDio0**, GPIO_14 -- if you are planning to experiment with different bandwidths/spread factors then modify values in `initializeConfig()`, with current parameters APRS packet time on air is around **2 seconds** to decode with as lower level as possible, use https://github.com/tanupoo/lorawan_toa to make calculations +- if you are planning to experiment with different bandwidths/spread factors then modify values in `initializeConfig()`, with current parameters APRS packet time on air is around **1-2 seconds** at 292bps, to decode with as lower level as possible with reasonable speed comparable to 300bps HF APRS, use https://github.com/tanupoo/lorawan_toa to make calculations - lora bandwidth `cfg.LoraBw`, 125 kHz (also tested with 20.6 KHz and SF9 with frequency correction) - lora spread factor `cfg.LoraSf`, 12 (should decode down to -20dB, choosen with the goal for minimum signal decode) - lora coding rate `cfg.LoraCodingRate`, 7