I have done most of my QSOs on PSK31 and 5 watts. They include
49 states (still missing Rhode Island), and about 16 DXCC
entities including Japan, Cuba, Brasil, and Australia. You can
have a lot of fun with 5 watts, and with QRP you'll have stories
about the ones that got away.
Don's advice about narrowing your bandwidth is very good advice.
I generally use the HI/Low bandwidth adjustments on my K3 to
narrow the bandwidth around the station I am trying to contact
until my 250Hz filter kicks in. (I lock the K3 VFO to avoid
bumping it and moving the station on my computer waterfall.)
Your KX3 has similar controls for the DSP bandwidth. I find my
dynamic range limit is in the audio interface to the computer,
and narrowing the bandwidth in the DSP gets rid of most of the
other stations which overload the computer sound input.
Have fun with the digital modes.
Cheers - Bill, AE6JV
On 1/11/13 at 3:13 PM, n...@hotmail.com (Ariel Jacala) wrote:
5 watts on PSK will work if you are in an empty section on the
waterfall. In a crowded situation with strong signals nearby,
you will be stepped on and obliterated by the strong signal.
Certain DX stations are notorious for overdriving the waterfall
and wiping out other signals. You are better off calling CQ in
location away from nearby strong signals. At 5 watts your
printing on the waterfall can be faint depending on
propagation. I did get Hawaii once on PSK with my K2. My luck
with PSK has always been better at 25-30 watts. That is just
the nature of this mode. At QRP power, CW is much more
efficient. Make sure you have enough drive to just trigger the
ALC circuit. You are also better off decoding the PSK signal
with Fldigi or DM780 - just a better PSK experience with the
macros and all.
-----------------------------------------------------------------------
Bill Frantz |Security, like correctness, is| Periwinkle
(408)356-8506 |not an add-on feature. - Attr-| 16345
Englewood Ave
www.pwpconsult.com |ibuted to Andrew Tanenbaum | Los Gatos,
CA 95032
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