Thanks Wayne
I did that but pressing SUB button on my K3, then I can listen on both
receivers, one in each ear. Si the same effect than doing dual watch?
73,
Jorge
CX6VM/CW5W
-----Mensaje original-----
De:
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[mailto:
[hidden email]] En nombre de Wayne Burdick
Enviado el: miércoles, 06 de junio de 2012 13:50
Para:
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CC: Elecraft Reflector
Asunto: [Elecraft] KX3/K3 Operating Tip: Working a pileup using dual watch
instead of SPLIT
Often a DX station will say "up 2" (or just "up") in order to move callers
away from his own frequency. This allows everyone to still hear the DX
station at all times despite dozens of stations calling.
Traditionally, this is accomplished using SPLIT. On a K3 or KX3, you'd set
VFO A to the DX station's frequency, then set VFO B somewhere above this,
preferably in a clear spot. When you hit the key in SPLIT mode, the rig
transmits on VFO B. You can use the "REV" switch function periodically to
listen on VFO B's frequency (swapping A and B), and while REV is held down,
adjust the VFO A knob to hunt for a better spot to call.
The KX3 (or a K3 equipped with a sub receiver) provides a simpler
alternative that doesn't necessarily require the use of SPLIT: dual watch.
This also lets you hear both the DX station and the pileup at the same time,
avoiding the need to REVerse the VFOs periodically.
Here's an example:
1. Having found a DX station with VFO A, tap the "A>B" switch twice so that
VFO B is on the same frequency.
2. Turn on dual watch by setting MENU:DUAL RX to AUTO. You'll need
headphones or dual external speakers; VFO A will be in the left audio
channel, and VFO B in the right. (The K3 provides a number of variations on
this; refer to the K3 owner's manual.)
3. Move VFO A up about 2 kHz (or the DX station's requested offset).
There you may encounter a pileup. Find a clear spot in which to transmit,
and call the DX station after he signs with the previous station or calls
CQ.
Three additional tips:
- You may have a better chance of working the DX station if you call near
the frequency of the station who worked him last. This is one of the best
aspects of dual watch: since you're listening to the pileup in the right
audio channel, you may hear the other stations being worked, and you can
"piggy-back" onto their frequency. A really skilled operator can actually
determine how the DX station is moving their own receive VFO just by
listening to the pattern of stations worked. You can then move your own VFO
to match, anticipating where the DX station will be listening next.
- SSB DX stations may listen across a wider range of frequencies, possibly
going beyond the present +/- 15 kHz maximum spacing between VFOs allowed by
the KX3's dual watch function. In this case you might need to use the SPLIT
method instead. (The K3 doesn't share this limitation--its sub receiver can
be tuned any distance from the main receiver, and can even use different
antennas for the two.)
- If you turn dual watch on/off frequently, you might want to assign the
DUAL RX menu entry to PF1 or PF2 as explained on page 19 of the owner's
manual. Once you've done this, accessing the programmable function will turn
dual watch on/off immediately without the need to go into the menu.
73,
Wayne
N6KR
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