hostapd/git's 5G AP's have recently 'gone missing' -- 2G still ok. what specific debug info to look for to troubleshoot ?

[PGNet Dev]

On 10/6/17 2:33 AM, Arend van Spriel wrote:
 > Maybe channel 157 (5785 MHz) is not allowing beaconing. Do you know if
 > any of the other 5G nets are on that channel as well.

A new chan 157 broadcaster did, in fact, appear in the neighborhood.  To 
test, got it turned off, and mine's back up & running;  a little 
shielding fixed it permanently.

Nice guess!  I wouldn't have thought to look :-/  Thanks!