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                      THE CGC COMMUNICATOR

                            CGC #465

                    Wednesday, August 8, 2001

                 Robert F. Gonsett, W6VR, Editor

     Copyright 2001, Communications General Corporation (CGC)

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  NEW FLASHING RED LED BEACON

  Dialight Corporation offers the first LED-based flashing red
beacon for marking radio and television towers.  According to the
manufacturer, the L864 uses 90 percent less power than standard
incandescent beacons that consume a minimum of 1,240 watts, and
their high-flux LEDs last years longer than incandescent lamps.
The L864 is designed as a replacement unit for 300mm incandescent
flashing red beacons, is FAA compliant, mounts to standard bolt
patterns and requires no additional wiring, controllers or
monitors.  A steady-state red LED obstruction light for side
mounting is also available.

  http://www.dialight.com/aviation_pr_redbeacon.htm 

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  FCC'S HAAT CALCULATOR IS OFFLINE

  According to the FCC, the Commission's HAAT calculator/contour
map generator <http://www.fcc.gov/mmb/asd/bickel/haat.html> was
taken offline on April 20.  A few instances arose where the radial
HAAT values (and consequently the distances to contours) generated
by the Internet program did not tally with the values obtained
from the FCC's internal programs.  The differences apparently
resulted from the use of NGDC GLOBE terrain data as compared to
the FCC's terrain database.

  There is no set time frame for the HAAT calculator's return,
but we hope it will be soon.  The calculator was a most valuable
product.  In the mean time, we have asked the FCC to either post
a prominent warning note on the setup page, or remove the setup
page entirely from the web, so engineers will know that the
service is unavailable.

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  AMERICAN TOWER CASE RESOLVED (RE CGC #429)

  On January 16, 2001, the FCC issued American Tower Corp. a
tentative fine of $212,000 for 36 apparent violations of the
Rules requiring antenna structure owners to properly register
existing antenna structures, register an antenna structure prior
to construction, post antenna structure registration numbers,
mark and light antenna structures and report antenna structure
ownership changes.  The FCC's Enforcement Bureau was asked to
conduct a further investigation of ATC's overall level of
compliance with the Commission's antenna structure painting,
lighting and registration requirements.

  Now, FCC staff and ATC have negotiated the terms of a Consent
Decree that would terminate the enforcement proceeding and the
related investigation.  ATC has agreed, among other things, to
institute a compliance plan and to make a voluntary contribution
to the U.S. Treasury in the amount $300,000.

http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-01-198A1.doc 

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                      LOCAL & REGIONAL NEWS
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  KPBS-DT NEWSLETTER

  KPBS is the public broadcasting outlet for San Diego as
many of you know.  An unofficial account of KPBS-DT's progress
in getting on the air is posted at the following URL:

  http://www.ptvdigital.org/going_live.htm#March%202001 

  The update is current as of July despite the March date in
the URL and the April date atop the newsletter.  (As John Folsom,
Engineering Manager of KPBS put it, "If 'forever young' is out
of reach, perhaps 'forever March' will have to do.")  KPBS-DT
has had delays in equipment delivery and construction timelines,
and their digital launch date has moved to October 2001.

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           LETTERS TO THE EDITOR    (NINE LINE LIMIT)
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  RE THE TRANSMITTER PHOTOS (CGC #464)

  I sure enjoyed the photos from the KNX transmitter!

  Terry Gaiser, W6RU, KUZZ AM&FM

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  SOMETIMES THE LITTLE THINGS COUNT

  I really enjoy your newsletter.  I have learned a lot of
interesting information including the source for silver plated
coil cleaner; I have that issue in my "Reference" File!

  Jack Sellmeyer

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                          MISCELLANEOUS
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  BROADCAST TOWER TOUR - CHICAGOLAND & THE UNITED KINGDOM

  Tour some of Chicago's tall towers with pictures and words:
  http://world.std.com/~fybush/featuredsite.html 

  UK towers are featured at:
  http://tx.mb21.co.uk/gallery/ 

  URLs courtesy of KOGO's Howie Castle, via Phil Wells.

  [Don't miss the "sloping ladder wire reflector" at the
  UK site; just click on the Bedford (Kempston) link.  -Ed]

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  CEMENT DIODES

  Materials scientists at the State University of New York at
Buffalo have made crude electrical diodes from Portland cement.
To create the diode half requiring excess electrons, the cement
is spiked with steel fibers.  For the other half requiring a
deficit of electrons, substances such as carbon fibers are used.

  The researchers then fabricate complete diodes by filling a
mold half with the electron-rich cement, and half with the
electron-poor type.  Uses for these new devices are still in
the speculative stage.

  Science News, July 28, 2001, p. 52.  References at:
  http://www.sciencenews.org/20010728/fob2ref.asp 

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  STANDARDS WORK: LIGHTNING PROTECTION SYSTEMS

  Should the National Fire Protection Agency ("NFPA") continue
to issue a standard on the installation of lightning protection
systems?  NFPA is asking, and comments are invited.  See:

  http://www.nfpa.org/CODES/Current_Codes_and_Standards/Standards_
  Council/Pending_Appeals_Appeal_Decisio/Long_Decisions/780.PDF
  (Splice both lines of the URL together into one long line.)

  Non-profit NFPA publishes the National Electrical CodeŽ,
the Life Safety CodeŽ, the Fire Prevention Code™, etc.

  Our thanks to Paul Gordon of CBS for the URL.

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  AMATEUR RADIO OPERATOR HELPS NAVY FLIERS

  The ARRL Letter reports on some unusual traffic recently on
the Maritime Mobile Net on 20 meters:  A request for help from a
US Navy plane.  Apparently, the plane lost contact with its base
over military frequencies, and one of the crew members (who
happened to be a ham) checked into the net and asked if someone
could call their base to let them know the plane had a
communications failure and was returning.  A net member, who was
a retired US Air Force Colonel, placed the call then reported back
that the message had been delivered.  Once again, ham radio came
through as the ultimate backup communications service.

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  INTERNET HOAXES

  A handy URL to check out possible internet hoaxes is:

  http://www.truthorfiction.com/search.htm 

  (URL Courtesy of Tom Chester)

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           LOCAL ITEMS FROM THE FCC    (FCC TYPOS TOO)
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  CALL SIGN CHANGES GRANTED

  None in our area.

  FCC Report #411

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  CH-5 LPTV APPLICATION ACCEPTED FOR MORONGO VALLEY

  Applicant:  SHAHRAM HASHEMIZADEH
  File Number: BNPTVL-20000828BHX
  KTLA needs to check this out quickly.

  http://hraunfoss.fcc.gov/edocs_public/attachmatch/DOC-215045A1.doc 

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  TV TRANSLATOR OR LPTV STATION APPLICATION FOR MINOR MODIFICATION
  TO A LICENSED FACILITY DISMISSED

  BPTTL-20000613AED   K56GC  28705   INSPIRATION TELEVISION, INC.
                 P   CHAN-24           EL CENTRO-HOLTVILLE, CA

  Minor change in licensed facilities, callsign K56GC.
  Dismissed - Mexican Objection

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  TV TRANSLATOR OR LPTV STATION APPLICATION FOR MINOR
  MODIFICATION TO A LICENSED FACILITY DISMISSED

  BPTTL-20001002AGT   K33FZ  57054    LAURIE MINTZ
                 P   CHAN-41      OCEANSIDE/CARLSBAD, CA

  Minor change in licensed facilities, callsign K33FZ
  Dismissed - Mexican Objection

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  TV TRANSLATOR OR LPTV STATION APPLICATION FOR AMENDMENT
  AMENDMENT RECEIVED

  BNPTTL-20000831BMX  NEW  129031   WORD OF GOD FELLOWSHIP, INC.
                E   CHAN-18                DIXIELAND, CA

  Engineering Amendment filed 08/02/2001

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  TV TRANSLATOR OR LPTV STATION APPLICATION FOR MINOR
  MODIFICATION TO A LICENSED FACILITY GRANTED

  BPTTL-20001023AGH  KHEM-LP  7776  LA VERTA W. AND VICTOR W. PAGE
                 P   CHAN-27                  HEMET, CA

  Minor change in licensed facilities, callsign KHEM-LP.

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  AM STATION APPLICATION FOR RENEWAL DISMISSED

  BR-19980319YD     DKYVU    100    142U, INCORPORATED
              P   1420 KHZ           YUCCA VALLEY, CA

  RENEWAL OF LICENSE.  APPLICATION DISMISSED, LICENSE CANCELED
  AND CALLSIGN DELETED BY LETTER DATED 8/2/2001.  1800B3-TSN

  (Facility #100?  142U, Inc.?  This is what is shown on the
  FCC's Actions Page.   -Ed.)

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