Things Outdoor Gateway - TTOG part 1

My Gateway has suddenly stopped working – well, actually a few months ago, but I’m just getting to it now. It seems properly configured …
Screen Shot 2020-09-11 at 3.13.46 PM

and the log seems normal:

INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000,INFO: Beacon dequeued (count_us=1239450094)    
JSON up: {"stat":{"time":"2020-09-11 19:18:17 GMT","lati":35.69403,"long":-78.77931,"alti":143,"rxnb":0,"rxok":0,"rxfw":0,"ackr":0.0,"dwnb":0,"txnb":0}}    
##### END #####    
# GPS coordinates: latitude 35.69403, longitude -78.77931, altitude 143 m    
# Valid time reference (age: 1 sec)    
### [GPS] ###    
# SX1301 time (PPS): 1232450059    
### [JIT] ###    
# BEACON rejected: 0    
# BEACON sent so far: 8    
# BEACON queued: 11    
# TX errors: 0    
# RF packets sent to concentrator: 0 (0 bytes)    
# PULL_RESP(onse) datagrams received: 0 (0 bytes)
# PULL_DATA sent: 3 (0.00% acknowledged)    
### [DOWNSTREAM] ###    
# PUSH_DATA acknowledged: 0.00%    
# PUSH_DATA datagrams sent: 1 (155 bytes)   
# RF packets forwarded: 0 (0 bytes)   
# CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
# RF packets received by concentrator: 0    
### [UPSTREAM] ###   
##### 2020-09-11 19:18:17 GMT #####
WARNING: [gps] GPS out of sync, keeping previous time reference
JSON up: {"stat":{"time":"2020-09-11 19:17:47 GMT","lati":35.69397,"long":-78.77934,"alti":142,"rxnb":1,"rxok":0,"rxfw":0,"ackr":0.0,"dwnb":0,"txnb":0}}
##### END #####