communications

453 links - and 5 categories

40m Compact 4-Square Antenna - EA5AVL
The EA5AVL 40M Compact 4 Square Antenna was designed to provide excellent DX communications on ...

[ Hits: 1133 | Votes: 3 | Rating: 10 ]

Curtain Antenna - antenna.be
An antenna for shortwave radio broadcasting consisting of rows and columns of dipoles is a ...

[ Hits: 854 | Votes: 0 | Rating: 0 ]

How does antenna height affect VHF communications - KB9VBR
How to calculate range for a VHF antenna with a simple formula and how to ...

[ Hits: 634 | Votes: 2 | Rating: 9 ]

Vintage QSL Gallery - Ian Poole
Check out these vintage QSL cards from the 20th Century in this gallery of old ...

[ Hits: 254 | Votes: 1 | Rating: 10 ]

York Region Amateur Radio - YRARC
The York Region Amateur Radio Club was founded in 1959 by amateurs interested in sharing ...

[ Hits: 188 | Votes: 0 | Rating: 0 ]

CCECPSCO - CCECPSCO
Charlevoix, Cheboygan, Emmet Counties Public Service Communications Organization

[ Hits: 124 | Votes: 1 | Rating: 10 ]

K8CY - The Ashtabula County Amateur Radio Club - K8CY
The Ashtabula County Amateur Radio Club is a group of amateur radio operators Hams in ...

[ Hits: 185 | Votes: 2 | Rating: 10 ]

WR7HLN DMR Montana - Mike Leone
DMR in Helena, Montana. Experiments in Digital Amateur Radio Communications

[ Hits: 259 | Votes: 0 | Rating: 0 ]
Amateur Radio Emergency Data Network - AREDN
AREDN provides the Amateur Radio Community with a quality solution for supporting the needs of ...

[ Hits: 275 | Votes: 1 | Rating: 10 ]

Morse Key History - Ian Poole
An overview of the development of the Morse key for sending the Morse Code from ...

[ Hits: 197 | Votes: 0 | Rating: 0 ]
Spark Gap Transmitter - Ian Poole
The details of the spark gap transmitter and its history how it was invented developed ...

[ Hits: 386 | Votes: 1 | Rating: 10 ]
Icom History - ICOM
Learn about Icom s innovative history of designing engineering and manufacturing wireless communications This interactive ...

[ Hits: 254 | Votes: 0 | Rating: 0 ]

JT65 ‐ HF Operation Guide - VE3BUX
Get familiar with the basic operating procedures for using the JT65 mode of HF digital ...

[ Hits: 872 | Votes: 0 | Rating: 0 ]

How do Repeater Work ? - Radio Academy
Basic Radio Awareness Introduction to Radio Communications Principals, how repeater work

[ Hits: 205 | Votes: 0 | Rating: 0 ]

Marine VHF Frequencies - navcen
The following table is adapted from the International Telecommunications Union Radio Regulations Appendix 18 including ...

[ Hits: 821 | Votes: 1 | Rating: 6 ]

Henderson County, TX Scanning - KE5ARB
This site is for people who live in or plan to travel to Henderson County ...

[ Hits: 221 | Votes: 1 | Rating: 5 ]

Clays Radio Shop Home Page - Clay Thompson
Clays Radio Shop offers an impressive selection of quality CB radios accessories Specializing in mobile ...

[ Hits: 427 | Votes: 3 | Rating: 7.33 ]

TRS RenTelco - Test Equipment Rental
TRS RenTelco provides new or used electronic test equipment for rent lease or purchase Solutions ...

[ Hits: 234 | Votes: 0 | Rating: 0 ]

Dip Meter - Grid Dip Oscillator GDO - Ian Poole
All the essentials about the Dip Meter or Grid Dip Oscillator used for many RF ...

[ Hits: 383 | Votes: 0 | Rating: 0 ]

What is a Vacuum Tube - Ian Poole
Read all the key details about Vacuum Tubes or Thermionic Valves that provided the foundations ...

[ Hits: 281 | Votes: 2 | Rating: 10 ]