chirp vs. standard

what are advantages of helix 7 chirp vs helix 7 si this is big purchase for me need info before I buy thanks

CHIRP has the capability to gather more data to render into the displayed image ...

Sometimes it's noticeable - sometimes not = environmental variables play a huge role ...
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Side note: a HB CHIRP unit will be a newer model than a non-CHIRP model (of the same size) and available for service and updates longer ...

Rickie

thanks I have been leaning toward the chirp 7

thanks I have been leaning towards helix 7 chirp