HawkView your screenshot shows the start of the response, which is well-formed.
But: it promises Content-Length=820199, but in fact only delivers ~80000 characters.
The last line ends prematurely. Last 3 lines are:
STR;CA0C8D;CA0C8D;RTCM3.2;1005,1074,1084,1094,1114,1124,1134;2;G,R,E,C,J;GEODNET;;38.16;-122.26;0;0;GEODNET;none;B;N;9600;none
STR;CA0CAD;CA0CAD;RTCM3.2;1005,1074,1084,1094,1114,1124,1134;2;G,R,E,C,J;GEODNET;;38.33;-122.69;0;0;GEODNET;none;B;N;9600;none
STR;