[BC] horns
Jerry Mathis
thebeaver32
Sun May 29 01:11:34 CDT 2005
And good riddance. They interfered with C-band satellite reception
everywhere they were. The FCC was stupid to allow terrestrial and satellite
services to share the same frequencies.
Jerry Mathis
Clear Channel Radio, Tupelo & Meridian MS
>From: DANA PUOPOLO <dpuopolo at usa.net>
>Reply-To: Broadcast Radio Mailing List <broadcast at radiolists.net>
>To: Broadcast Radio Mailing List <broadcast at radiolists.net>
>Subject: Re: [BC] horns
>Date: Sat, 28 May 2005 09:49:35 -0700
>
>Alas, most are being screpped. I understand they are keeping a few for
>replacement purposes, but for practical purposes, that entire micorwave
>network has been turned off, replaced with fiber.
>
>-D
>
>------ Original Message ------
>Received: Sat, 28 May 2005 08:28:22 AM PDT
>From: Mark Humphrey <mark3xy at yahoo.com>
>To: Broadcast Radio Mailing List <broadcast at radiolists.net>
>Subject: Re: [BC] horns
>
>Those antennas, designed over a half-century ago, had
>impressive specs, too... 40 dB of return loss, 70 dB
>front-to-back ratio, and lots of bandwidth.
>
>If you're curious, here's the Bell System spec sheet
>and a 1955 article about their development.
>
>http://long-lines.net/tech-equip/radio/BSP402421100/p01.html
>
>http://long-lines.net/tech-equip/radio/BLR1155/401.html
>
>Does anyone know what's happening to those old
>taken-down horns -- are they just being sold for
>scrap, or has someone come up with another use? I
>would think the SETI League might be interested in a
>few of them.
>
>Mark
>
>
>-
> > The large cornicopia horns and similar ilk were
> > first used for the TD-2
> > radio used by AT&T stateside for about 3.9 to 4.2
> > gHz. service.
>
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