Just a bit of trivia to add to this: I bought another S350 and it
arrived today, and I noticed that this one is pewter rather than
silver. I wonder how long this change has been implemented? I also
noticed that drift was 1 KHz at most at start-up and then disappeared
totally after about 20-30 Min.

jamulc wrote:
Presumably, there's less drift.

http://www.universal-radio.com/catal...able/0036.html