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                      THE CGC COMMUNICATOR
                            CGC #832
                    Tuesday,  March 18, 2008
                             ________
                 Robert F. Gonsett, W6VR, Editor
                      <r.gonsett@ieee.org>
    Copyright 2008, Communications General® Corporation (CGC)
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  THE KFI TOWER COLLAPSES  - AGAIN
  The main tower for KFI, 640 kHz, Los Angeles, was hit by
a private airplane on December 19, 2004 and the entire tower
came crashing to the ground, folding into pieces and missing
(for the most part) buildings around the tower base.  Last week,
construction of the replacement tower got underway.  Today, the
new tower had almost reached the 300 foot mark when it, too,
collapsed.  An eyewitness report follows.
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  EYEWITNESS REPORT ON THE KFI TOWER COLLAPSE
  It saddens me to report that a single point failure caused
the new KFI tower to fall this afternoon around 2:00PM.  I was
on site when the failure happened and took a photo of the tower
coming down.  Two levels of guys were in place.  The third level
guys were slowly being brought into place, in unison, when the
failure occurred.  The tower was just under 300' at the time.
  Nobody was on the tower during this phase of the installation
and only one person was hurt when the North/East guy structure
gave way.  There was some minor damage to a couple of trailers
and the top 8' of the gin pole came through a warehouse roof.
Other than that, there is just a bundle of steel and ceramic in
the parking lot with some damage to the enclosure wall and fence.
  I won't go into details on the single point failure at this
time, other than to say that the tower crew did NOT cause this
accident.  The third level guys were slacked at the time of
the failure.
  I'll be posting pictures on my website this evening.
  Dino, K6RIX, dino (at) k6rix.com
  http://www.k6rix.com/
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  ADDED EYEWITNESS INFORMATION
  The injured worker was atop the elevated guy anchor using
a come-along to take up the slack of the north/east, third level
guy.  There were two workers at this location.  The other two
anchors are not elevated and were manned by two workers each.
  The three teams were working in unison and in radio contact
with each other using come-alongs to slowly and evenly bring up
the third level guys.  The guys had just cleared the second level
guys and [were] still slacked when the elevated anchor system
failed.  The injured worker jumped or fell to the ground and
hurt his back.  He was up and walking around but was taken
to the hospital to get checked out.
  There was minor damage to a couple of truck trailers and
part of the gin pole sheared and went through the roof into the
warehouse.  The rest of the damage was to the enclosure block
wall and a fence.  The major damage was to the tower only.
  Dino, K6RIX, dino (at) k6rix.com
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  KFMB-DT NOW BROADCASTING ON CHANNEL 7
  SBE Chapter 36 Story:  Just before 9 AM last Friday,
[KFMB] RF Supervisor Rick Bosscher turned on the HPA for KFMB's
new Channel 7 transmitter, putting their DTV programming on-the-
air.  Then, moments later, he shutdown the Channel 55 transmitter
for the last time.  He said that a crew from Wireless
Infrastructures will appear early next week to remove the UHF
pylon antenna.  He said that the only odd thing about turning
on the new Harris transmitter was not having to wait for tube
filaments to heat.
  Qualcomm's MediaFLO can now start broadcasting wireless
phone TV in the San Diego market on its nationwide home
channel, Channel 55.
  CGC Comments:  KFMB-DT's Channel 7 operation is apparently
at low power but is causing some interference to the reception
of co-channel KABC-TV, Los Angeles.  In addition, KFMB's CH-7
signal is reportedly degrading the reception of KNSD-TV on Time
Warner Cable -- at least at some locations close to Mt. Soledad.
Although KNSD transmits on Channel 39, it is carried on TW
Cable as Channel 7.
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  SKELETAL NEWSLETTER
  We expect to return to the regular format of the CGC
Communicator newsletter in the next several days to catch
up on stories and letters that we have been preparing for
publication.  Obviously, the KFI catastrophy caught us by
surprise and triggered this Special Edition newsletter.
  It was extremely fortunate that the KFI tower collapse
did not cause more property damage or injury.   -Ed.
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                        LETTER TO THE EDITOR
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  COPPER THEFT FORUM
  Crawford Broadcasting Company has been getting hit hard
by copper theft.  To aid in strategizing solutions to this
national and epidemic crime problem, we have added a copper
theft section to the CBC Engineering Forums at the URL below.
 
  All broadcast engineers are invited to join the forum.
The more we know about copper theft, copper thieves, how they
operate, what they target, the tools they use, what measures are
effective against them and what measures aren't, the better we
will all be able to combat the problem.  We learn by sharing
our experiences.
  Cris Alexander, CPBE, AMD, DRB
  crisa (at) crawfordbroadcasting.com
  Crawford Broadcasting Company
  Denver, Colorado
  Member AFCCE
  http://www.crawfordbroadcasting.com/~forums/
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               AM RADIO - LOCAL ITEMS FROM THE FCC
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  AM STATION APPLICATION FOR MINOR CHANGE TO A LICENSED FACILITY
  ACCEPTED FOR FILING
  BP-20080306AAT    KSON   30831   LINCOLN FINANCIAL MEDIA CO...
             E    1240 KHZ                 SAN DIEGO, CA
  Minor change in licensed facilities.
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  AM STATION APPLICATION FOR MINOR AMENDMENT TO A CONSTRUCTION
  PERMIT AMENDMENT RECEIVED
  BNP-20070926AMO    NEW   160820   CHRISTYAHNA BROADCASTING, INC.
            E     1400 KHZ                LEMON GROVE, CA
  Engineering Amendment filed 03/06/2008
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               FM RADIO - LOCAL ITEMS FROM THE FCC
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  FM BOOSTER APPLICATION FOR LICENSE TO COVER ACCEPTED FOR FILING
  BLFTB-20080305ADF   KPFK-FM1  158785   PACIFICA FOUNDATION, INC.
                E     90.7 MHZ                 MALIBU, CA
  License to cover.
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  FM STATION APPLICATION FOR LICENSE TO COVER GRANTED
  BLH-20080207API  KLQV  51164   UNIVISION RADIO LICENSE CORP...
           E     102.9 MHZ              SAN DIEGO, CA
  License to cover.
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  FM STATION APPLICATION FOR MINOR CHANGE TO A LICENSED FACILITY
  MOTION FOR EXTENSION OF TIME
  BPH-20071128ACX   KDES-FM  67354   R & R RADIO CORPORATION
             E     104.7 MHZ            PALM SPRINGS, CA
  Minor change in licensed facilities.
  Informal Objection Filed 01/03/2008 by SBR Broadcasting Corp..
  Engineering Amendment filed 01/17/2008
  Opposition Filed 01/18/2008 by R & R RADIO CORPORATION
  Informal Objection Filed 02/20/2008 by Donna Evanko
  Informal Objection Filed 02/19/2008 by Multi filings
  Informal Objection Filed 02/19/2008 by Elearnore Lanz
  Informal Objection Filed 02/20/2008 by Sutherland
  Informal Objection Filed 02/20/2008 by Lucy Goldfort
  Informal Objection Filed 02/25/2008 by Multi filings
  Informal Objection Filed 02/21/2008 by Multi filings
  Opposition Filed 02/19/2008 by GOLD COAST BRAODCASTING LLC
  Informal Objection Filed 02/25/2008 by Multi filings
  Informal Objection Filed 02/29/2008 by Multi filings
  Informal Objection Filed 03/03/2008 by Multi filings
  Informal Objection Filed 02/26/2008 by Ronald De Armond
  Informal Objection Filed 02/29/2008 by Stephen D. Weiss
  Informal Objection Filed 02/28/2008 by Kay R.
  Informal Objection Filed 02/27/2008 by Teresa Coulter
  Motion for Extension of Time Filed 03/04/2008 by R & R RADIO...
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  FM BOOSTER APPLICATION FOR MINOR MODIFICATION TO A CONSTRUCTION
  PERMIT ACCEPTED FOR FILING
  BMPFTB-20080307ACB  KCAQ-FM3 165419  GOLD COAST BROADCASTING LLC
                E    104.7 MHZ             FRYMAN CANYON, CA
  Mod of CP
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  FM AUXILIARY TRANSMITTING ANTENNA APPLICATION FOR AUXILIARY
  PERMIT ACCEPTED FOR FILING
  BXPH-20080311ABR    KWVE  8410   CALVARY CHAPEL OF COSTA MESA
              E     107.9 MHZ            SAN CLEMENTE, CA
  CP for auxiliary purposes.
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  FM STATION APPLICATION FOR MINOR AMENDMENT TO A CONSTRUCTION
  PERMIT AMENDMENT RECEIVED
  BPH-20070919ABO    KWVE   8410   CALVARY CHAPEL OF COSTA MESA
             E     107.9 MHZ             SAN CLEMENTE, CA
  Engineering Amendment filed 03/11/2008
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  LOW POWER FM APPLICATION FOR LICENSE TO COVER GRANTED
  BLL-20080221ACP   KNJR-LP  123947    CONEJO RADIO MINISTRIES
              E    107.9 MHZ              THOUSAND OAKS, CA
  License to cover.
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                  TV - LOCAL ITEMS FROM THE FCC
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  DIGITAL TV APPLICATION FOR MINOR CHANGE TO A LICENSED FACILITY
  ACCEPTED FOR FILING
  BPCDT-20080310AAX  KGTV-DT 40876  MCGRAW-HILL BROADCASTING CO...
               E     CHAN-10               SAN DIEGO, CA
  Minor change in licensed facilities, callsign KGTV.
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  TV TRANSLATOR OR LPTV STATION APPLICATIONS FOR MINOR CHANGE TO
  A LICENSED FACILITY GRANTED
  BPTT-20080220ABO  K15FC 43809  COUNTY OF SAN BERNARDINO AREA 70
             E     CHAN-15                JOSHUA TREE, CA
  Minor change in licensed facilities, callsign K15FC.
  __________________
  BPTT-20080220ABN  K17GJ 43816  COUNTY OF SAN BERNARDINO AREA 70
             E     CHAN-17                JOSHUA TREE, CA
  Minor change in licensed facilities, callsign K17GJ.
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  DIGITAL TV APPLICATION FOR MINOR CHANGE TO A LICENSED FACILITY
  ACCEPTED FOR FILING
  BPCDT-20080311ADB   KSCI  35608     KSLS, INC.
              E     CHAN-18         LONG BEACH, CA
  Minor change in licensed facilities, callsign KSCI.
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  DIGITAL TV APPLICATION FOR MINOR CHANGE TO A LICENSED FACILITY
  ACCEPTED FOR FILING
  BPCDT-20080228ABI  KMEX-TV 35123  KMEX LICENSE PARTNERSHIP, G.P.
               E     CHAN-34               LOS ANGELES, CA
  Minor change in licensed facilities, callsign KMEX-TV.
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  DIGITAL TRANSLATOR OR DIGITAL LPTV APPLICATION FOR DISPLACEMENT
  DISMISSED
  BDISDTL-20080221ACI KRMV-LP 129618 VENTURE TECHNOLOGIES GROUP...
                E     CHAN-35             MORENO VALLEY, CA
  Minor change of callsign KRMV-LP.
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  DIGITAL TRANSLATOR OR DIGITAL LPTV APPLICATION FOR DISPLACEMENT
  ACCEPTED FOR FILING
  BDISDTL-20080312ADG KRVD-LP 128327 VENTURE TECHNOLOGIES GROUP...
               E      CHAN-35                BANNING, CA
  Minor change of callsign KRVD-LP.
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  DIGITAL TV APPLICATION FOR MINOR AMENDMENT TO A CONSTRUCTION
  PERMIT AMENDMENT RECEIVED
  BPCDT-19991101AEM  KAJB-DT 40517  CALIPATRIA BROADCASTING CO....
                E    CHAN-36               CALIPATRIA, CA
  Engineering Amendment filed 03/12/2008
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  DIGITAL TRANSLATOR OR DIGITAL LPTV APPLICATION FOR DISPLACEMENT
  ACCEPTED FOR FILING
  BDISDTL-20080310AEA KRMV-LP 129618 VENTURE TECHNOLOGIES GROUP...
                E     CHAN-40             MORENO VALLEY, CA
  Minor change of callsign KRMV-LP.
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  The CGC Communicator is published for broadcast engineering
  professionals in so. California by Communications General®
  Corporation (CGC), consulting radio engineers, Fallbrook, CA.
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