You can have as many consoles as you want. The ObserverIP is but another console. The ObserverIP though won't be as difficult to configure for the newer array as it has an option for the newer sensor array.
It does? The Ambient weather version of ObserverIP?
Looking at the last two firmware versions:
&stationtype=WS-1401-IP &stationtype=WS-1401-IP
&stationtype=WS-1201-IP &stationtype=WS-1201-IP
&stationtype=WS-0800-IP &stationtype=WS-0800-IP
&stationtype=WS-0900-IP <
&stationtype=WS-1600-IP &stationtype=WS-1600-IP
&stationtype=WS-1500-IP &stationtype=WS-1500-IP
&stationtype=WS-1501-IP &stationtype=WS-1501-IP
&stationtype=WS-1900-IP &stationtype=WS-1900-IP
> &stationtype=WS-1700-IP
I do see WH22, 24, 25 and 26 ID's but think 4.6.1 dropped WH22.