Fixed invalid RSSI offset reference. Fixes #433.

RNS/Utilities/rnodeconf.py

@@ -521,7 +521,7 @@ class RNode():
                                 if (len(command_buffer) == 4):
                                     self.r_stat_tx = ord(command_buffer[0]) << 24 | ord(command_buffer[1]) << 16 | ord(command_buffer[2]) << 8 | ord(command_buffer[3])
                         elif (command == KISS.CMD_STAT_RSSI):
-                            self.r_stat_rssi = byte-RNodeInterface.RSSI_OFFSET
+                            self.r_stat_rssi = byte-157 # RSSI Offset
                         elif (command == KISS.CMD_STAT_SNR):
                             self.r_stat_snr = int.from_bytes(bytes([byte]), byteorder="big", signed=True) * 0.25
                         elif (command == KISS.CMD_RANDOM):