Hmmm ... Not that I'm suggesting you try and recreate the "experiment" Jeff, all sorts of undesirable electrical effects occur on the 12V power in a vehicle when you start it, but possibly some sort of transient scrambled the K3. I shouldn't do it, but I often start my truck with the ICOM IC-4300H still on. About half the time it reboots, the other half it is fine. I think the factory recommended method to shut down your K3 is, "Turn it off," then do whatever you want to with the power supply. Just a thought.
73, Fred K6DGW - Northern California Contest Club - CU in the 2011 Cal QSO Party 1-2 Oct 2011 - www.cqp.org On 4/4/2011 4:06 PM, Jeff Cochrane - VK4BOF wrote: > Whilst parked up in the car and with the K3 running on 15M during CQ WW SSB I > noticed that the display lights were flickering alot on TX, indicating to me > that maybe it was time to start the engine to increase voltage to the rig. > Received sigz at the time were plentiful (crowded) and loud, the band was > wide open. > So, I started the engine and all sigz but for a couple of what used to be > loud signals had disappeared! > The really loud sigz I had heard before were considerably reduced in volume > and signal strength. > I checked the NB and NR settings and found that both noise blankers were both > turned off as was noise reduction off. > I tried both NB's and neither were of any use. > There was no type of noise heard on the radio at all apart from the usual > (low down) band noise. > All the above was noted when I was using the cars own battery / power system. > > I shut down the engine and all sigz came back to normal. ______________________________________________________________ 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
