[Elecraft] K3 #222 alive and well

[David Wilburn]

Look for "gender changers", they will fix your RS-232 problem.

Such as:

http://www.techonweb.com/products/productdetail.aspx?id=A12379

Plugging gender changers into google generates lots of appropriate 
hits.  But the URL doesn't translate the mail program well.  Enjoy.


Dave Wilburn
K4DGW
K2/100 - S/N 5982


Ron D'Eau Claire wrote:
> I can help with two of those Julian: 
> 
> The method 3 Ref Cal is not yet implemented in firmware. For now you have a
> TCXO that is 5 times more stable in frequency as the rig temperature changes
> (1 ppm compared to 5 ppm for the "stock" oscillator). 
> 
> Wayne's firmware - when it's released - will use the temperature chart data
> that shows the remaining drift vs. temperature to further reduce the drift
> to perhaps as little as 0.5 ppm by having the firmware automatically adjust
> the reference oscillator frequency based on the internal temperature
> reported by the front panel temperature sensor. 
> 
> I, too, spin the POWER control a lot since I use and external tuner. Wayne
> has said that an automatic power reduction when going into TUNE to adjust an
> external tuner is on his "to do" list. 
> 
> Ron AC7AC
>  
> 
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of G4ILO
> Sent: Tuesday, January 15, 2008 1:42 PM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] K3 #222 alive and well
> 
> 
> 
> I'm happy to report that K3 #222 is alive and well, and none the worse for
> the surgery on the internal screen as a result of the missing threaded
> insert. So I didn't get to wind any toroids but I did get to do some chassis
> metalwork. :)
> 
> A couple of questions for others who have "been there". I have the 1ppm TCXO
> option. I tried to calibrate it using Method 3 (entering the data on the
> calibration sheet) but When I get to RF CAL and tap [1] which is supposed to
> change to REF xxC, it doesn't. I understand you need to have configured the
> FP TEMP sensor but I have set that option. What am I doing wrong?
> 
> I like to use the Coarse tuning option when surfing the short wave bands. It
> seems to go in 5KHz steps from whatever frequency I am on. Is there a way to
> quickly zeroise out the last digits so that I am always on an exact multiple
> of 5KHz when using 5KHz steps?
> 
> The PWR control has a very fine resolution. It is a lot of turns to reduce
> power to 1W for tuning with the external tuner and then turn the power back
> up again for operation. Is there an easier way to do this?
> 
> I'd still like to see ATU Auto or Bypass settings stored seperately for ANT1
> and ANT2.
> 
> I can't connect the K3 to the computer for a firmware update because the
> cable I bought from Maplin has male plugs on each end, and my PC serial port
> is also male. So I'll have to make my own cable like I was originally going
> to. Why would Maplin sell a serial cable that doesn't mate with a PC?
> 
> I do want to say thanks to Wayne and Eric for making the K3 possible. It has
> certainly been a long wait, and I was disappointed to have two faulty parts
> in my kit, but having now experienced the K3 for myself I have only one word
> for it - awesome!
> 
> -----
> Julian, G4ILO K2 s/n: 392  K3 s/n: 222
> G4ILO's Shack: www.g4ilo.com
> Zerobeat Ham Forums: www.zerobeat.net/smf