Not with the new beta P3 code...

Rick, WA6NHC

iPad = small keypad = typos = sorry ;-)

> On Apr 27, 2014, at 12:07 PM, "Joe Subich, W4TV" <li...@subich.com> wrote:
> 
> 
> In AFSK A/FSK D the transmit/VFO B cursor is 400 Hz.
> 
> 73,
> 
>   ... Joe, W4TV
> 
> 
>> On 4/27/2014 12:54 PM, Ken Kontor via Elecraft wrote:
>> I agree with Rick's comments above. I use N1MM for FSK RTTY. I have an extra 
>> RX window set up to receive signals from VFO B in split mode so I can tell 
>> who the last worked station was while I copy the DX with VFO A. With a 
>> narrow 400 hz bandwidth and 10 khz span on my P3 I can easily tune from 
>> station to station centering his tones in the narrow P3 curser. A 2.7 KHz 
>> curser pattern on the P3 would cover up most of what I want to see. I for 
>> one would not upgrade my P3 software until this issue is corrected. A narrow 
>> 400 Hz curser is necessary for both VFO A and B in RTTY as far as I am 
>> concerned.
>> 
>> 73, Ken - W8KEN
>> On Sunday, April 27, 2014 3:34 AM, "Rick Bates, WA6NHC" 
>> <happymooseph...@gmail.com> wrote:
>> 
>> This evening as I was listening to a moderately weak station on 30 meters 
>> CW.  I noticed that the P3 display showed a wide (+-.75 KHz from center) 
>> pulse pattern centered on the frequency I was on.  I also noted that there 
>> was a strong (XE2, not that it matters) almost 3 KHz down.  The P3 pattern 
>> matched the CW pulses of that station down band.  I wasn't hearing anything 
>> but the weak station on the K3 (well done Elecraft).
>> 
>> So I wondered, could this anomaly be caused by the new noise blanker 
>> algorithm?  Yup.  I turned off the P3 NB function (set at 12) and the 
>> anomaly went away.
>> 
>> So if you're seeing something on the P3 that isn't there, turn off the NB 
>> function and watch again.
>> 
>> On the subject of the Data A red pattern width change; my normal set up for 
>> working RTTY/PSK (AFSK, Data A mode) split was:
>> 
>> Narrow and recenter the filter to hear only the station I want to work 
>> (sound card doesn't get hosed);
>> sync the two VFOs (double tap; copy everything over to B);
>> go split;
>> move the VFO B (now with the matching pattern of VFO A RX, in red) on top of 
>> the last station worked, fine tune by listening to the sub-RX if desired.
>> 
>> The former (pre-beta) pattern showed the same narrowed width as the main RX 
>> (shows the slot my audio tones would go out), which made it easy to spot the 
>> (TX) VFO B on or near the last station worked, simply line up their trace 
>> under the red swath.  This makes for a nice quick attack mode.
>> 
>> Having the wider red pattern (2.7 KHz) makes this much harder now since I 
>> can't 'see' where my tones are going to be.  If given a vote, I like the old 
>> way better if the P3 can't read the filter width and match the display to 
>> the actual.  At least I had a ballpark idea where my tones would go.
>> 
>> 73,
>> Rick, WA6NHC
>> 
>> iPad = small keypad = typos = sorry ;-)
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