Hmm ... Above 49 meters an AlexLoop with the KX3
should work very well for SWBC.
Phil W7OX
On 8/18/14, 9:47 AM, Chris Chien wrote:
Using the PREAMP increases both the signal and noise at the same time.
It works well with a 20dB gain active loop antenna, but it still not
completely blowing the
Both the bandwidth and speaker have been taken into consideration. With a
short passive whip, the KX3 is far behind the Grundig, because even strong
station is barely heard from KX3.
However, an active antenna makes the KX3 much better, but still not
significantly better than the little Grundig.
In
Wouldn't the fact that the bandwidth is much more narrow in the KX3 than your
typical SW RX. So AM is much better SSB probably better (speaker used not
mentioned). A lot of SW radios copy FM radio stations, hence better fidelity.
The signal strength maybe just apparent because the Signal + Noi
The Grudig is a fine radio, lacking only the ability to transmit.
Wayne
N6KR
On Aug 18, 2014, at 9:47 AM, Chris Chien wrote:
> Using the PREAMP increases both the signal and noise at the same time.
> It works well with a 20dB gain active loop antenna, but it still not
> completely blowing th
Using the PREAMP increases both the signal and noise at the same time.
It works well with a 20dB gain active loop antenna, but it still not
completely blowing the Grundig away. I might want to test it later with a
full size dipole.
Though the little G3 is not at all in the same class as KX3, but it
You could use an "active antenna" (amplified) with the KX3 -- just don't
transmit into it. The Grundig probably has the equivalent of an active antenna
amplifier built in.
Wayne
On Aug 18, 2014, at 9:10 AM, Chris Chien wrote:
> I agree. I used a short whip simply to see if the KX3 is suitabl
The KX3 works superbly well with a voltage probe antenna, such as the
PA0DRT Mini Whip design.
I've used my KX3 with a NASA Marine HF Active Antenna, too.
All small, neat, tidy and high performance for listening. Performance
comparing very well with full-size antennas.
Chris
G5VZ / WG5VZ
O
I agree. I used a short whip simply to see if the KX3 is suitable for
portable SWLs.
In this case, I would say a short whip doesn't make KX3 a descent shortwave
receiver.
73,
AC9FU
2014-08-18 23:59 GMT+08:00 Wayne Burdick :
> The Grudig has more gain because it is designed to be used with a sho
The Grudig has more gain because it is designed to be used with a short whip.
The KX3 is built for high dynamic range with full-size antennas, so it will
perform better with a long wire, dipole, vertical, etc., cut for the band in
use.
But if you have no choice but to use a short whip with the
Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Chris
Chien
Sent: Monday, August 18, 2014 9:47 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KX3 for SWLs?
Someone said the KX3 makes a descent shortwave receiver using telescopic
antenna.
I connected
Someone said the KX3 makes a descent shortwave receiver using telescopic
antenna.
I connected a whip antenna with loading coil for 20m, and compared the
performance side by side to a Grundig G3 shortwave radio. The latter was
using its own internal telescopic antenna.
However, the G3 radio turned o
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