[CRTech] Christian Radio Tech [MSG 80836]
[Thread Prev] [-- Thread Index --] [Thread Next] [Date Prev] [-- Date Index --] [Date Next]
Eclipse 2017 AM Spectrum Waterfall
To: The BROADCAST eList <broadcast@radiolists.net>, CRTech <crtech@crtech.org>
Subject: Eclipse 2017 AM Spectrum Waterfall
From: Kevin Kidd <kkbroadcastengineering@gmail.com>
Date: Tue, 19 Sep 2017 09:56:01 -0500
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=1V/fvZkNqS3ItsCt4/SHtUqEc6x0KHNE9OIJq2CsFLk=; b=Mwwfl3XqWGCebjZ04/x2FN3fqYiC3qFYUgFhNj0mn6n7B0nniV+34TkGENRGiWRCxc QJXXD2/Lk+jYFmV3z6JYYUiavcKDtlai5nQNwDXXS8GA7J4L6GIDFcgFTAuNMKDaDyp5 3HAnUXvu2mdn2p9FFfZNIIcYpfd/xNcxR8uXnNZi8btS5+PtbPNoA2AVK+GMfw2hAnA7 Z6coyNOhReoWY9/QriAgxNH4ByV5EeuUB8CvN/shzHvhB/PCGGiTZGf37XRbNx11Avi7 icqsKWDUMMFeYi81miNZkifa8wuWdBN/TBN6RZ7xHiN9pBmUzqaL4/blng3Cv/v9ZBH3 ZOHQ==
Hi all,

Sorry for the crosspost but I had several people on both lists inquiring about the recorded data.

I finally got a minute to do a long waterfall of the SDR data that I recorded near Carthage TN during the August 2017 Total Eclipse.  I am working on a log of all the signals that I could identify and will try to do a youtube of some of the notables.  A few of the signals heard were very surprising and some not heard were equally surprising...  A few easily identified were KMOX St Louis, WVON Chicago (strong), WLS Chicago (very weak & short), WCKY Cincinnati, WKJV Ashville, WERC Birmingham, WCPC Houston MS, WJOX Birmingham, WBT Charlotte.

It is very obvious that the upper end of the band was affected much more dramatically than the low end.

The Carthage TN setup was a lab quality (but old) shielded loop oriented along the path of totality, SDRPlayPro Receiver, HDSDR software and a Toughbook I5 laptop.

I also recorded the IQ stream at my shop using another SDRPlay RX but a 120ft OCF dipole at 80ft that had much stronger signals.  I haven't even looked at those yet...

The AM band waterfall display and various pictures that I shot during the eclipse are at:


I would post the actual IQ files but I recorded them in hour long segments and they are 27gb per hour...  I don't know if they can be broken into smaller segments now.


Kevin C. Kidd, CSRE/AMD
Lawrenceburg, TN
AM Ground Systems Company  -  WD4RAT
kkidd@kkbc.com  --  866-22-RADIO -- 866-227-2346
Follow-Ups: Re: Eclipse 2017 AM Spectrum Waterfall
(Willie Barnett <wbradiolists@gmail.com>, 20 Sep 2017 13:28:29 -0000)
Re: Eclipse 2017 AM Spectrum Waterfall
(Dave Obergoenner <daveobergoenner@gmail.com>, 20 Sep 2017 14:06:20 -0000)
Prev by date: Re: Liquid Cooled Transmitters
(Dave Obergoenner, 18 Sep 2017 23:01:54 -0000)
Next by date: Re: C.P. Search
(Kevin Trueblood, 19 Sep 2017 16:00:37 -0000)
Prev by thread: Re: Prayers for Puerto Rico
(Rick Jesse, 18 Sep 2017 14:41:02 -0000)
Next by thread: Re: Eclipse 2017 AM Spectrum Waterfall
(Willie Barnett, 20 Sep 2017 13:28:29 -0000)