HX-CH6601A
Setup
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Fig. 1: VRTK2 with HX-CH6601A
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Fig. 2: HX-CH6601A antenna
Antenna phase center:

Test results
Conclusions
A bit worse in open sky conditions.
Similar performance in challenging conditions.
Worse than HX-CHX600A.
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Fig. 1: VRTK2 with HX-CH6601A
.png?inst-v=327681e7-1e8c-42aa-b769-b286edb7a7f4)
Fig. 2: HX-CH6601A antenna
Antenna phase center:

A bit worse in open sky conditions.
Similar performance in challenging conditions.
Worse than HX-CHX600A.