Wayne,
You have a Porsche of the radio world for us. I just wish Fred Cady,
KE7X was around to further illustrate and explain. Your technical writer
has a job on his/her hands. I am anxiously waiting my K4 - this is going
to be fun.
73 Doug EI2CN
-----Original Message-----
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: 31 October 2019 15:40
To: elecraft...@groups.io
Cc: Elecraft Reflector
Subject: [Elecraft] K4 panadapter vs. P3
> David Stout wrote:
>
> I would like to see a comparison of the P3 and K4 in full screen mode. Is
the K4 scope faster, higher res?
Hi David,
The K4's LCD has nearly 3x the area of the P3's, and 5x as many pixels. The
resolution (pixels per inch) is about 30% greater. It's faster as well as
brighter -- the K4 screen was easily readable in diffuse daylight during
Field Day, while some other rigs' displays were not.
The K4's panadapter area using the standard display format is 25% greater
than the P3's. This doesn't include the per-VFO "mini-pan" displays that
overlay the S-meters, when desired, for fine tuning of signals.
Thanks to the much larger LCD, variations on the panadapter could be created
that are much larger than this, at the expense of some per-receiver icons
and the S-meters. So far we haven't felt the need, partly because the K4
includes an HDMI output that can drive an external monitor of any required
size. This external monitor can be configured to display just the
panadapter, with independent settings from the panadapter on the LCD.
Beyond this the K4 display provides:
- dual-pan mode (separate panadapters for main/A and sub/B)
- single or dual text decode windows
- far more digital signal processing horsepower (in aggregate,
roughly an order of magnitude greater than the K3S+P3)
- built-in IQ data streaming for use with computer applications
- a configurable multi-band mode to allow a quick check of activity
on your favorite bands
- more flexibility in terms of display functions
- overlays for various functions (e.g.: DX call station list,
help information on all controls, RX/TX graphic EQ, alphanumeric
keyboard for message/macro/menu entry, etc.);
- virtually unlimited code space for future expansion; examples
might include high-performance data decoders, AZ/EL display,
custom station controls, image display, etc.
In short, the K4's display is much larger and more versatile, providing the
kind of control visibility and convenience that's only possible by
integrating the display into the transceiver itself.
Oh, and it's really fun to use :)
Wayne
N6KR
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