From the pic, I was happy to see that the bucket itself had an external antenna which is why I purchased it. However, when it arrived, it had the same crappy internal spring antenna as the PCR 800. I was quite disappointed.
I had two and each died after ~ 1 year ... but figured it out what it is: the battery contacts are corroded (pretty bad for an outside rain sensor) ... but no solution yet. After wiggling the battery it works again .. for 1 day... need to may be solder the batteries to the contacts ? or may be we need special batteries with humidity tolerant contacts?