Gary - That demonstration was too cool! Keep up the good work! Fwd. to
other lists for their info.
Dave in Indy
--
Message: 5
Date: Tue, 10 Nov 2009 12:28:32 EST
From: d1028g...@aol.com
To: ultraligh...@yahoogroups.com, irca@hard-core-dx.com,
a...@nrcdxas.org, o...@yahoogroups.com
Subject: [IRCA] Tecsun PL-380 DSP Selectivity Demonstration MP3--
738-Taiwan
Message-ID: c6e.44a59845.382af...@aol.com
Content-Type: text/plain; charset=US-ASCII
Hello All,
This morning's TP reception included a strong signal from 738-BEL2
(Taiwan
Fisheries), providing a chance to record the new Tecsun PL-380's DSP
filter
options during actual TP-DXing.
The recording linked below has the PL-380 receiving 738-Taiwan at 1443
UTC,
in the face of some splatter from 740-KCBS in San Francisco. The MP3
starts with the PL-380 on the 2 kHz setting (for the best combination
of audio
and selectivity), then steps briefly down to 1 kHz-- followed by
approximately 5 seconds in the 6 kHz, 4 kHz, 3 kHz, 2 kHz and finally
the 1 kHz DSP
filter options. This recording was made with a signal boost provided by
an
experimental 9' sided PVC box loop.
_http://www.mediafire.com/?mnznomi5zwj_
(http://www.mediafire.com/?mnznomi5zwj)
The recording is dramatic in showing the effectiveness of the 7434 DSP
chip
in providing outstanding selectivity (for a $45 radio). Hopefully it
will
be of interest to prospective purchasers.
73, Gary DeBock (in Puyallup, WA)
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