[Boatanchors] Short Wave Broadcasts

Sheldon Daitch SDAITCH at bbg.gov
Sat Apr 19 04:23:56 EDT 2014


Rob,

wish we had had this discussion 25 years ago, and I could have checked the AME signals from Greenville for audio quality.

Remember, too, for the VOA use, those AME transmissions were for program feeder service and the receivers were not AM receivers, but SSB receivers - almost always the RCA SSB-R3 series in the latter years.

VOA isn't the only user of the curtain arrays, but I agree, they are on the expensive side.

Formerly WSHB and now WHRI, near Cypress Creek, SC  32°40'47"N   81°7'53"W appears to have a few curtain arrays, actually, 12, per their web site:

http://www.whr.org/Technical-Information.cfm

73
Sheldon

________________________________________
From: boatanchors-bounces at mailman.qth.net <boatanchors-bounces at mailman.qth.net> on behalf of Rob Atkinson <ranchorobbo at gmail.com>
Sent: Friday, April 18, 2014 9:25 PM
To: Boat Anchors List
Subject: Re: [Boatanchors] Short Wave Broadcasts

I second the verdict on one sideband plus carrier.  Every one I have
heard sounded poor and distorted.

Re the curtain antennas--they are wildly expensive to construct and
maintain.  Every privately owned swbc I have ever heard of has run
rhombics on telephone poles if the tx site is in the US.  Elsewhere,
costs may be different.  Here, dipole curtains seem to be affordable
only by VOA.

73

rob
k5uj
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