Starting what serial numbers please. 73, Igor UA9CDC
> All New K3s for some time have had this change made at the factory > before they ship. > > 73, Eric > > > On 3/8/2010 4:04 PM, Brett Howard wrote: >> http://www.elecraft.com/K3/mods/K3%20rx%20protection%20mod,%20rev%20B.pdf >> >> That document explains a mod that you should definitely make sure is >> in place in your radio if you're worried about this condition. I had >> one of Q8 and Q9 blow in my radio after too much power came back in >> from another operator who told me he *WAS* staying off of 20 meter >> like to told him to do he was down on 14 meters! ;) Anyway we >> replaced the Q and the rig came back to life. But if you view that >> document it says that when you get to +13 to +20dBm it will >> automatically engage the preamp for you. +20dBm is 100mW so that >> would at least give you an added 10dB of protection on your way up to >> the 1-2W realm. >> >> ~Brett (KC7OTG) >> >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

