Radio Information Site
Occasionally I have some radio related information thatmight be of interest to others. This site, a sub-domain of Inland Marine Radio History Archive, is the home for such information.
Transistor Pinouts: A page of pinout and base diagram information
DIYUHF TV Antenna: Dimensions & construction details for an indoor Gray-Hoverman UHF TV antenna built on two 24 by 36 inch foam boards.
Easy Frequency Search: Provides a unified way to search theFCC and Radio Locater records for AM and FM station information. Low frequency beacon information searches can also be done from this page.
Nighttime AM DX: PDF - A one-page, three-column, listing of nighttime DX targets for those living in North Carolina and nearby states.
Quilting Hoop Loop: A page with some information and pictures of my version of N7FKI's Quilting Hoop Loop
Radio & Test Equip, Manuals: Twenty + sources for manuals, instruction books and schematics
Shortwave Freq. Allocations: A PDF of the frequency bands allocated to the different radio services including a column showing the width of each band.
DIY Coil Calculators: A page with links to on-line coil/Inductance calculators - Find Inductance, dimensions, AL, wire length, permeability, etc.
Semiconductor Oddities and Negative Resistance: A collection of links and PDF documents on these topics.
Intl. Radio Call Sign Prefixes: A PDF listing of prefixes for all the countries on a single sheet.
Windows Sound Card Based Test Gear: 30+ links to Windows PC based test applications
Heathkit Gird Dip Meter GD 1B - Low frequency coil Kit #341A - Instructions - Correlation Chart
Digital TV Channels: DOWNLOAD a one page Excel Spreadsheet showing post-Repack channel info. for the Raleigh, NC area.
The Birth of Ham VHF-FM: The 1960s effort to encourage logical selection of frequencies for new VHF-FM nets. With links to historic documents.
Links checked and page code updated - 04/16/2023