voice key

Key to Successful Tower Installations - PPT file by KE1IH on Tower installation

Collins Museum - Managed by WA3KEY Featuring the Collins Radio Advertisement Archive

AOR U.S.A., INC. - Aor u.s.a web site, manufacturer of base and mobile receivers, handheld receivers, digital voice modems, spectrum display units, frequency monitors and antennas

Millenium QSYer - The Universal QSYer KeyPad works with both ICOM and selected Yaesu radios, extends these capabilities to owners of the Yaesu FT-817, FT-897, FT857, and FT-100. Additiona features for Icom Radios

Amplitec linear amplifiers - HF VHF UHF amplifiers, designed by hams for hams, and morse keys manufacturer

Coastal ChipWorks - Amateur Radio Products From John Hansen, W2FS, Kenwood D700 Keyboard Interface, Expandable TNC with an Optional, remote controls for ICOM radios, frequency keypads for yaesu and icom radios

Nye Viking - Antenna Tuners, morse keys, keyers and filters

Swedish Key - Straight Brass is located in Ventura, California. The key is the only product. Each key has a serial number. and only a few are built at any one time, and I am the one who builds them.

VIZ KEYS - Quality sending instruments for the morse cw enthusiast by K4VIZ

Gateway Electronics - Amateur radio kits, cw keyers, vhf mini receivers, 2 meter preamplifier and more audio related kits, based in St. louis, Mo and San diego, ca USA

FDMDV - Digital Voice - FDMDV - Frequency Division Multiplex Digital Voice Digital Audio over HF SSB. FDMDV is the latest digital voice mode on HF - it caters to high quality digital voice under poor band conditions, in only 1100Hz bandwidth

K5BCQ Morse Code Key collection - Collection of morse keys

J.H. Bunnell Keys - History of J.H. Bunnell & Company and their morse code keys

Voice Repeater Basics - Repeater operating is one of the most popular facets of amateur radio

Tait Electronics Ltd - Asia Pacific - Tait electronics provides advanced and reliable voice and data radio communications products and solutions, specialising in customised solutions for organisations worldwide.

WBCQ The Planet - This summer, WBCQ is running The Voice of the M/S Katie, live radio broadcasts originating from our radio ship the M/S Katie in Boston, Massachusetts. WBCQ broadcasts 50,000 watts on each of its four international shortwave transmitters on 5.110, 7.415, 9.330 and 18.910 MHz

jLog - jLog is a modern Freeware Ham Log program that can run on all major platforms, e.g. Mac OS X, Mac OS, Linux/Unix, Windows, etc. It offers a nice, clean interface and allows efficient entry of QSOs. Import or Export of data using the standardized ADIF 2 format is possible to easily exchange data with any other decent Log program. Built-in CW Keyer, CAT control for many popular, rigs, DX Cluster tracking, call lookups

EasyPal - Easypal is a freeware DSSTV software uses the DRM (Digital Radio Mondiale) encoding to allow the sending of image files over voice channels. This mode is known as Digital SSTV

Pro Key Set - This small program helps you to edit the CW memories of your Icom 756Pro, 756Pro2, 746 or 746Pro rig. On startup it reads the current memory contents and displays it. You can edit the text and store the memories individually or all 4 together

Voice descrambler - This program descrambles band inverted encrypted transmissions, usually found on VHF/UHF. It uses a NCO (numerical controlled oscillator) to re-produce the originally inverted audio band. Use it only if legally permitted in your country. I assume no responsabilities deriving from its use. Standard disclaimer applies

11 KW Linear amplifier by I0JX  ^pop - Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. Power was measured with a Bird 4712 wattmeter and a 25 KW slug

A simple VOX circuit - Here is a 3 transistors 6 diodes circuit that is a Voice Operated Tx PTT control as well as an ANTI VOX circuit to stop mis-operation from Rx noise by G8MNY

Morse Code Beacon Keyer - This circuit stores a single morse code message as bits in an EPROM chip, the message is sent to a relay which can key a CW transmitter.

SP5GJN HF amplifiers & CW Keys - Home made HF power amplifiers and CW Keys & Paddles

Radio Interfacing - Serial cable connections tables, CW key and PTT interfacing, Using USB Ports or parallel ports