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                      THE CGC COMMUNICATOR
                            CGC #512
                     Wednesday,  May 1, 2002
                 Robert F. Gonsett, W6VR, Editor
     Copyright 2002, Communications General Corporation (CGC)
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  MOVE OVER DIRECT TV - YOUR SPECTRUM IS ABOUT TO BE SHARED
  The 12 GHz downlink spectrum used by Direct TV and Echostar
is about to shared by terrestrial services.  Thanks to a creative
idea and a multi-year lobbying effort by Northpoint, the
12.2-12.7 GHz band will soon be used for new video and broadband
communications services, such as local television programming
and high-speed Internet access.  Technically, the new service
is called "MVDDS," short for Multichannel Video Distribution
and Data Service.
http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-221846A1.doc
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  FIRE ATOP THE KCBD-TV TOWER
  KCBD-TV, Lubbock, TX, recently installed a new Andrew batwing
antenna designed to accommodate both KCBD's NTSC (CH-11) and DTV
(CH-9) signals.  However, after only five days of operation with
just NTSC power applied, there was an apparent arc-over and the
aerial was destroyed by fire.  (This wasn't a deicer fire; there
were no deicers on the antenna.)  The station resumed NTSC
operations using an old Alford antenna located on the same tower.
  The above details were furnished by John Ernst, a maintenance
engineer at KCBD.  The details in the story which follow are a bit
confusing, but the photograph of the fire deserves a gold star.
(Click on the photo for an enlargement.)  Thanks to Howard Fine
and Jerry Plemmons for the URL:
http://www.lubbockonline.com/stories/042902/loc_0429020037.shtml
  More info, including video, at:
  http://www.kcbd.com/Global/story.asp?S=761249
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  FCC PROPOSES FINES TOTALING $264,000 AGAINST AT&T WIRELESS
  AND SPECTRASITE COMMUNICATIONS FOR ANTENNA STRUCTURE VIOLATIONS
  Included among the violations are failure to register tower/s,
failure to light and paint antenna structures, and failure to
replace lights or repair lighting failure alarm systems as soon
as practicable.
http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-221789A1.doc
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                      LOCAL & REGIONAL NEWS
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  KFI(AM) COVERS THE PLACENTIA TRAIN CATASTROPHE
  KFI's new ENG vehicle was pressed into service prematurely to
cover the Metrolink/Burlington Northern Santa Fe train accident in
Placentia, CA.  Tony Dinkel has put together a great web posting
showing the behind-the-scenes activity associated with his new
van.  The photos also illustrate why "push-mode" Metrolink trains
are dangerous for passengers - especially those in the lead car.
  http://www.tonydinkel.dynip.com/train.html
  More at:
  http://www.trainweb.com/cgi-bin/top/tw_do.cgi?derailments/2002d23a.html
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                           JOB SHOPPE
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  ADVENTURES IN PARADISE
  Salem Communications is seeking a qualified Director of
Engineering for Honolulu, Hawaii (KAIM-FM, KHNR, and KGU).
  The ideal candidate would have a background and knowledge
of ENCO automation as well as all facets of a current studio
complex and Windows based computer networking.  Knowledge of
AM/FM RF systems is a must.
  For complete information, write to Deena Rudolph and ask
for the "Honolulu Engineering Doc File."  Her edress is:
  jobs@salem.cc
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                     LETTERS TO THE EDITOR
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  MAUI SKY FIBER BUILDS A DOZEN CELL SITES
  TO CREATE WIRELESS INTERNET CONNECTIONS
  I can see this [new wireless Internet system] actually making
money.  Relatively small investment, workable technology and
pricing plan.  It will be closely watched by the industry.
  http://starbulletin.com/2002/04/25/business/index2.html
  Mark van der Hoek
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  PINPOINTING AM BROADCAST INTERFERENCE
  I am an avid DXer and use compact fluorescents exclusively
in my home.  There may be an occasional trouble maker, but the
vast majority of them cause no [RF interference] at all.
  I'll tell you something not on the list [letter by Joe Mauk
in CGC #510] that can cause huge problems: little neon bulbs
in doorbell buttons.  They can transmit hundreds of feet using
the AC Mains as antennas.  Same thing with aquarium heaters.
  Dave Rickmers
  [Don't forget that the humble doorbell transformer is an
occasional interfering device.  If and when a doorbell button
shorts out, the transformer will overheat.  Fortunately, most
doorbell transformers are equipped with thermal overload switches.
Unfortunately, the overload contacts arc when the switch opens,
generating a huge burst of RFI.  Then the transformer cools down,
the contacts close, and the transformer heats up again.  Bam!
Another burst of RFI when the contacts open for a second time.
And so the cycle repeats until the system is shut off or fixed.
-Ed.]
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  HISTORICAL REFERENCE NEEDED
  Some 30 years ago I remember reading about a fascinating
audio demonstration that was conducted in the late 1930s.
A live orchestra performance in Philadelphia was transmitted
via land lines to a concert hall in Washington, D.C.  Something
like 16 audio channels were involved.
  The results were reported to be astonishing and the experiment
proved that nearly perfect electronic reproduction was indeed
possible.  I read about this in a textbook obtained from a public
library and don't remember the title of the book.  Does anyone
remember this demo or the book in which the report appeared?
  Dennis Ciapura, Performance Broadcasting, dciapura@sedona.net
  [Letter abridged for publication.   -Ed.]
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  BIRD COLLISIONS
  I have never seen evidence of a bird flying into a tower
or guy wire in the daylight, but I have found them nesting
in dishes with broken microwave covers on Questa Peak.
  Alan Nichols, Pappas Telecasting Co.
  [The above is an extract from a long-form letter which also
discusses the role of pesticides in avian fatalities.  For
a small snapshot of tower lighting and bird kill concerns, see:
  http://www.sciencenews.org/20020420/bob9.asp
  and scroll to the section entitled, "Icarus redux."  - Ed.]
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                          MISCELLANEOUS
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  AEROFLEX BUYS IFR
  According to Chris Boone, WB5ITT, Wichita Kansas based
Aeroflex, Inc. is acquiring IFR Systems Inc., maker of the
famed IFR RF test gear.  According to an April 15th press
release, Aeroflex is paying approximately $60 million in
cash for IFR.
  Amateur Radio Newsline, April 26, 2002
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  OPTICAL SETI
  The search for extraterrestrial intelligence ("SETI") has been
underway in the radio frequency domain for many years without any
obvious success.  Some attempts have also been made to look for
SETI signatures in the optical domain.
  Now, a new 72" telescope has been installed at the Oak Ridge
Observatory in Harvard, MA that will permit optical searches to
be conducted in earnest.  One line of reasoning holds that SETI
signals will probably consist of very short duration pulses in
order to conserve energy for communicating over astronomical
distances.  Hence, the new telescope will look for pulses as
short as one-billionth of a second.
  (Telescope info from The Planetary Report, March/April 2002)
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           LOCAL ITEMS FROM THE FCC    (FCC TYPOS TOO)
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  AM STATION APPLICATION FOR MINOR MODIFICATION
  TO A CONSTRUCTION PERMIT ACCEPTED FOR FILING
  BMP-20020422AAF    KSUL   87156     DELBERT L. VAN VOORHIS
              E    1670 KHZ              MORENO VALLEY, CA
  Mod of CP
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  DIGITAL TV APPLICATION FOR CP EXTENSION ACCEPTED FOR FILING
  BEPCDT-20020419AAL KMIR-DT  16749 JOURNAL BROADCAST CORPORATION
                 E   CHAN-46              PALM SPRINGS, CA
  Extension of time to complete construction authorized pursuant
  to a permit for a new DTV station: BPCDT-19991029AFZ
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  DIGITAL TV APPLICATION FOR CP EXTENSION GRANTED
  BEPCDT-20020313ABD KVMD-DT  16729  KVMD ACQUISITION CORPORATION
                 E   CHAN-23             TWENTYNINE PALMS, CA
  Extension of time to complete construction authorized pursuant
  to a permit for a new DTV station: BPCDT-19991101AIP
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  DIGITAL TV APPLICATIONS FOR LICENSE TO COVER GRANTED
  BLCDT-20011114ABO   KSCI-DT  35608    KSLS, INC.
                  P   CHAN-61         LONG BEACH, CA
  License to cover construction permit no: BPCDT-19981123KJ,
  callsign KSCI.
  ______________
  BLEDT-20011203CEP     KPBS-DT  6124    BOARD OF TRUSTEES
                  P     CHAN-30         FOR SAN DIEGO UNIV.
                                           SAN DIEGO, CA
  License to cover construction permit no: BMPEDT-20000605AOH,
  callsign KPBS.
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  TELEVISION APPLICATION FOR LICENSE TO COVER GRANTED
  BLET-20011221ABG     KPBS   6124       BOARD OF TRUSTEES
               E      CHAN-15           FOR SAN DIEGO UNIV.
                                           SAN DIEGO, CA
  License to cover construction permit no: BPET-20000526ABT,
  callsign KPBS.
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  TV TRANSLATOR OR LPTV STATION APPLICATION FOR
  MINOR MODIFICATION TO A CONSTRUCTION PERMIT GRANTED
  BMPTTL-20011121AAB   KBAB-LP  14003  BILTMORE BROADCASTING CORP.
                 E     CHAN-51              SANTA BARBARA, CA
  Modification of construction permit file #BPTTL-20010309ABS.
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  TV TRANSLATOR OR LPTV STATION APPLICATION FOR
  MINOR MODIFICATION TO A LICENSED FACILITY GRANTED
  BPTTL-20020212AAA  KSMV-LP  14002  COSTA DE ORO TELEVISION, INC.
                E    CHAN-33                LOS ANGELES, CA
  Minor change in licensed facilities, callsign KSMV-LP.
  ____
  BPTT-JG0601DD    K30GU   11530  COUNTY OF SAN BERNARDINO AREA 70
              P   CHAN-30                MORONGO VALLEY, CA
  CONSTRUCTION PERMIT TO CHANGE FROM CHANNEL 64 TO CHANNEL 30.
  (DISPLACEMENT APPLICATION)
  ____
  BPTT-JG0601DE   K21GI  11539    COUNTY OF SAN BERNARDINO AREA 70
              P  CHAN-21                 MORONGO VALLEY, CA
  CONSTRUCTION PERMIT TO CHANGE FROM CHANNEL 60 TO CHANNEL 21.
  (DISPLACEMENT APPLICATION)
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  PROPOSED TV TRANSLATOR/LPTV CONSTRUCTION PERMIT
  The following television translator/low power television
application has been accepted for filing.  Petitions to deny
(if any) must be filed within fifteen (15) days of 4/30/02:
  BNPTTL-20000818ACQ   NEW   CH-34   EL CENTRO, CA
  GULF-CALIFORNIA BROADCAST COMPANY     AUCT81-4
http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-221948A1.doc
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  FM TRANSLATOR APPLICATION FOR LICENSE TO COVER
  ACCEPTED FOR FILING
  BLFT-20020424AAQ   K217EF  93605  THE ASSN. FOR COMMNTY EDUCA...
                 P  91.3 MHZ             DESERT CENTER, CA
  Lic. to cover
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  TV BOOSTER STATION APPLICATION FOR ORIGINAL CONSTRUCTION
  PERMIT GRANTED
  BNPTTB-20010809AAD   KSCI2  133867     KSLS, INC.
                 E    CHAN-18           HESPERIA, CA
  Construction permit for a new station for HESPERIA, CA on
  channel 18, Effective Rated Power 5.5, coordinates NL 34 deg
  21 min 8 sec WL  117 deg 40 min 27 se.
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  TV TRANSLATOR OR LPTV STATION APPLICATION FOR
  LICENSE TO COVER GRANTED
  BLTT-20020418AAW   K26FT   13450   COMMUNITY TV OF SO. CALIF....
               E    CHAN-26              SANTA BARBARA, CA
  License to cover construction permit no: BPTT-19981202JC,
  callsign K26FT.
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  FM TRANSLATOR APPLICATION FOR MINOR MODIFICATION
  TO A LICENSED FACILITY GRANTED
  BPFT-20020329ADL    K270AI   88469  EDUCATIONAL MEDIA FOUNDATION
                 P  101.9 MHZ              CATHEDRAL CITY, CA
  Minor change in licensed facilities
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  The CGC Communicator is published for broadcast professionals
  in so. California by Communications General Corporation (CGC),
  consulting radio engineers, Fallbrook, CA.  Short news items
  without attached files are always welcome from our readers;
  letters may be edited for brevity.  E-mail may be sent to:
  rgonsett@ieee.org  or  telephone (760) 723-2700.
  CGC Communicator articles may be reproduced in any form provided
  they are unaltered and credit is given to Communications General
  Corporation and the originating authors, when named.  Past
  issues may be viewed and searched at http://www.bext.com/_CGC/
  courtesy of Bext Corporation.
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