Diff: Donald Everist Library

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version 47

This page contains documents collected by long time consulting engineer Donald Everist.

• AM Frequency Studies - Lists of stations on each frequency in the AM broadcast band along with details of those stations (directional patterns, etc.).

• Books

  • Directional Antennas, Carl Smith, 1946
  • Notes on Design of Directional Antennas, Al P. Barsis, 1951

• Papers

  • 2 Mc Skywave, Electronics Magazine, 1946. Detailed analysis of skywave at 2 MHz (Loran).
  • 10% Skywave Signal and Angles of Departure 10 10 Mile Intervals
  • Analysis of Low Latitude Skywave Measurements in the Medium Frequency Band, FCC Report 6701, 1967
  • AM Allocation Checklist
  • AM Field Study - Forms for frequency study, tower elevations, directional parameters, station inspection, schematics for AM noise measurement.
  • AM Technical Assignment Criteria - An Examination of Issues Raised in MM Docket No. 87-267. Not posted due to NAB copyright notice.
  • T and PI Network Calculations - Component calculations for a T or PI network
  • Antenna Impedance Matching – Simplified, Dr. Anitha Govind, Engineering Manager – RF & Connectivity, Abracon, LLC. Smith chart analysis of L networks.
  • Atmospheric Radio Noise, NTIA Report 85-173.
  • Circular Polarization Tests, Report Number 1 on Experimental Station W8XUB, United Broadcasting Company, 1946. Investigates the use of circular polarization in FM broadcast transmission.
  • Daytime Skywave Interference Exhibit, Columbia Broadcasting System, 1947
  • Daytime Skywave at Broadcast Frequencies - An analysis of data recorded on 14 transmission paths for a period of approximately six years. another copy, 1947
  • Design, Analysis, and Construction of an Equal Split Wilkinson Power Divider, Logan J. Berens, Marquette University. Analysis of the use of quarter wave transmission lines in power splitters.
  • Design of a Matching Network for Dipole Antennas, Jennifer Park. Use of Real Frequency Method to design a wide band antenna matching network that deals with the variation of the antenna impedance with frequency.
  • Draft Guide on the Prediction, Measurement, and Analysis of AM Broadcast Reradiation by Power Lines, IEEE Power Engineering Society, 1992
  • Effect of Ground Conductivity on Interference Limitations Produced by WABC and WBZ at Albuquerque New Mexico, Edgar F. Vandivere, Jr., Docket 6584-5. 1956
  • Electrical Conductivity of the Great Lakes, Journal of Research of the National Bureau of Standards, 1963. Conductivity is determined through analysis of attenuation of field strengths over distance and also by laboratory analysis of water samples. Discusses the effect of temperature on conductivity.
  • Electrical Ground Impedance Measurements in the United States between 200 and 415 kHz, FAA Report FAA-RD-78-103, 1978. Discusses new methods of determining ground impedance and how those methods can be applied to LF radionavigation.
  • Engineering Exhibits Supporting the Daytime Interference Study on Behalf of Station WCKY, Cincinatti Ohio, Ring & Clark, 1947
  • Estimated Millington Curves, 1974
  • European Medium Frequency AM Skywave Field Intensity
  • Field Strength Measurement Photos, WSAY, 1957
  • Field Strength Recordings, High Island Antenna - Tests on a sectionalized tower where inductance is added between sections to minimize ground wave and maximize skywave. WNBC, 1963
  • The FCC’s AM Revitalization R&O, Further NPRM and NOI, Ron Rackley, Radio Guide, November-December 2015
  • It is Time to Retire Hybrid AM HD Radio?, Edward A. (Ted) Schober, PE, Radio Guide, November-December 2015
  • Letter To Automakers = Keep AM Radios, Senator Edward J. Markey, December 1, 2022
  • Canadian RF Safety, 2014

• FCC Documents

  • Page name too long
  • Document Collection, 1988 - Extensive document collection including NRSC pre-emphasis for AM, and lots more. Table of contents at start of file.
  • Document Collection, 1989 - Extensive document collection, most about AM improvement. Table of contents at start of file.
  • Document Collection, 1990 - Most dea with AM improvement.
  • Document Collection, 1991 - AM inprovement including migration to expanded band to reduce interference.
  • Document Collection, 1992 - AM stereo standard, daytime station upgrades, AM application freeze over, FCC station self inspection list, and more.
  • Document Collection, 1993 - AM stereo standard, AM DA performance verification, expanded band interference improvement factors, AM and FM modulation limits, AM station elevated radials, , etc.
  • Document Collection, 1994 - Migration to AM expanded band, AM stereo standard, directional antenna measurements, AM emission limits, detuning towers.
  • Document Collection, 1995 - AM expanded band.
  • Document Colledtion, 1996 - AM expanded band, silent station license revoke, skirted grounded tower versus series fed, AM RDS
  • Document Collection, 1997 - Cellular tower construction near AM stations, nondiscrete power levels, expanded AM band, cable internet
  • Document Collection, 1998 - Standard conditions for AM stations, Austin ring transformer source, NAB requests technical relief for AM stations.
  • Document Collection, 1999 - FCC looks at Digital Audio Broadcasting. New spectrum, or in band on channel? FCC proposes to reduce the conducted emissions limits in part 15. crossed field antenna. AM DA ruling (especially use of MoM instead of proofs). This includes extensive email discussions. To provide some privacy, I have cropped off email headers.
  • Document Collection, 2000 - Cross field antenna, method of moments, MININEC, electromagnetic surface waves.
  • Document Collection, 2001 - AM directional antenna performance verification, mutually exclusive AM applications going to auction, KSTP/WTOP/WLQV settlement, directional system with separate transmitter for each tower,
  • Ground Wave Field Intensity vs Distance Graphs
  • Method of Computing Service and Interference for Use in Connection with Docket 6741, Clear Channel Proceeding, 1946
  • Report and Order - In the Matter of Policies to Encourage Interference Reduction Between AM Broadcast Stations, Adopted: April 12, 1990
  • Report and Order - Improved Methods for Calculating Skywave Field Strength in the AM Broadcast Band, Adopted: April 12, 1990
  • Public Notice - AM Revitalization, January 19, 2016
  • Public Notice - Effective Date of Amended Rules for AM Directional Antenna Arrays, March 22, 2018
  • Report and Order in the Matter of Promultagion of Rules and Regulations and Standards of Good Engineering Practice Concerning Daytime Skywave Transmissions of Standard Broadcast Stations, September 18, 1959
  • Memorandum Opinion and Order in the Matter of Promultagion of Rules and Regulations and Standards of Good Engineering Practice Concerning Daytime Skywave Transmissions of Standard Broadcast Stations and Amendment of Section 1.251 of the Commission's Rules, December 9, 1959
  • Report and Order - All Digital AM Broadcasting and Revitalization of AM Radio Service, October 28, 2020
  • Public Notice - Effective Date of RF Exposure Rule Changes, April 2, 2021
  • STATEMENT OF COMMISSIONER GEOFFREY STARKS On the AM Radio for Every Vehicle Act of 2023, July 27, 2023
  • RF EXPOSURE PROCEDURES AND EQUIPMENT AUTHORIZATION POLICIES FOR MOBILE AND PORTABLE DEVICES, October 23, 2015
  • RF Exposure Procedures and Equipment Authorization Policies for Mobile and Portable Devices, 11/29/2021
  • DRAFT RF Exposure Procedures and Equipment Authorization Policies for Mobile and Portable Devices, August 17, 2022
  • WNLC Monitor Point Photos, 1962

• US-Canada Agreements

  • 1984 Agreement - Includes Canadian standard for AM stereo, pre-sunrise and post-sunset operation.
  • 1991 Working Arrangement on FM
  • 2008 Tentative Agreement RE Digital Television
  • Canada 2002 Provisional Application Procedures and Rules for FM Broadcasting Undertakings

• Other

  • AM Night Power, 1987

    • By Call Sign
    • By Frequency
    • By State and City

  • WWBG Temporary Antenna, 1957

    • Photo
    • FCC Letter RE Temporary Antenna
    • Field Strength Measurements on Temporary Antenna