[Elecraft] P3 Not Zeroed

[Joe Subich, W4TV]

On 2019-07-23 12:47 PM, Alan Bloom wrote:
 > Also be aware that the center frequency differs depending on mode.

The P3 *should be able to account for that* by using the FI get:

> FI * (I.F. Center Frequency; GET only)
> RSP format: Finnnn; where nnnn represents the last 4 digits of the 
> K3’s present I.F. center frequency in Hz.  Example: If nnnn = 5000, 
> the I.F. center frequency is 8215000 Hz.  Intended for use with 
> panadapters, which need to keep track of the exact I.F. center 
> frequency as filter bandwidths and shifts are changed by the
> operator.

73,

    ... Joe, W4TV


On 2019-07-23 12:47 PM, Alan Bloom wrote:
> Good advice.
> 
> Also be aware that the center frequency differs depending on mode.  For
> example, it is the supressed carrier frequency on SSB but is offset by
> typically 600 Hz on CW.
> 
> I like to use AM mode for frequeny calibration.  After doing a frequency
> calibration on the K3, tune to a signal on the AM broadcast band and
> adjust the P3 frequency calibration.  (MENU:RefCal.  Cal procedurre is
> on page 39 of the manual)  As I recall, AM broadcast stations are
> required to be within 20 Hz of nominal frequency but are typically much
> closer than that.
> 
> Alan N1AL
>