| FCC-ID Number Search | |
| FCC Databases | |
| FCC Home Page | |
| FCC Frequency Query | |
| Communications Service By Address | |
| Antenna Structure Registration | Tower information. |
| Antenna Search | Searches existing and new towers, and antennas. |
| Obstruction Evaluation-Determined Cases | Any type of obstruction on or off airport cases. |
| Broadcast TV Listings | Kalamazoo, MI area. |
| Broadcast TV Coverage Map | By ZIP Code |
| Latitude-Longitude Converter | |
|
The Microwave Radio
and Coaxial Cable Networks of the Bell System |
AT&T Long Lines |
| AT&T Long Lines Technology and Equipment | |
| Long Lines Map & Information | |
| The Telcom Archive | Formerly the Bell System Practices (BSP) archive |
| Bell System Circuit Descriptions | CD's and BT's |
| Bell System Technical Journals | |
| All About the Telegraph and Deciphering Morse Code Text | Information used by Corrine in her 'Famous Inventors and Inventions' project she's working on for school. |
Please report dead links to bob.gaudio@bobgaudio.com