transmitter
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Antennas : 2M- A turnstile antenna for 2-meter ARDF
- Antenna design for use with hidden transmitters on international-rules ARDF events
[ Hits: 18218 | Votes: 25 | Rating: 7.49 ]
- 2 Meter 10 Element Quagi Antenna
- This antenna was designed by N6JSX Kuby for Transmitter hiding. Fitting the requirements of directionality, high gain, and portability. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use.
[ Hits: 15656 | Votes: 32 | Rating: 7.06 ]
- Feeding the Beast
- Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC
[ Hits: 522 | Votes: 1 | Rating: 10 ]
- Shrunken Quad
- VHF quad antenna for transmitter hunting.
[ Hits: 2589 | Votes: 2 | Rating: 10 ]
- Ramsey Electronics
- Large selection of affordable and fun hobby kits as well as a really neat selection of electronic gear. Transmitters and receivers kits, test equipments, RF test enclosures.
[ Hits: 3739 | Votes: 3 | Rating: 8 ]
- Omnicor - Vacuum Capacitors
- Omnicor supplies Meivac vacuum fixed and variable vacuum capacitors for RF transmitters.
[ Hits: 532 | Votes: 1 | Rating: 10 ]
- 200W 136 kHz transmitter
- A transmitter project for the 136 kHz band by IK2PII
[ Hits: 363 | Votes: 0 | Rating: 0 ]
- Thunt.org : transmitter hunting
- Amateur radio direction finding, transmitter hunting web site from San Francisco. Triangulating a radio signal direction and plotting its bearing on a map. Hunters use doppler systems for tracking hidden transmitters anywhere in the san francisco bay area, fremont california
[ Hits: 938 | Votes: 2 | Rating: 7.5 ]
- A low power 3.5MHz ARDF transmitter
- This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.
[ Hits: 2043 | Votes: 4 | Rating: 6.5 ]
- Transmitter hunting, in San Francisco
- Amateur radio direction finding, transmitter hunting. triangulating a radio signal direction and plotting its bearing on a map. hunters use doppler systems for tracking hidden transmitters
[ Hits: 497 | Votes: 0 | Rating: 0 ]
- Mods Kenwood TS-2000 DSP by N3GX
- Mods, kenwood ts-2000 4 khz ssb transmitter receiver modification
[ Hits: 7335 | Votes: 17 | Rating: 6.35 ]
- 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
[ Hits: 861 | Votes: 2 | Rating: 10 ]
- Radio 101 International
- Informations about RADIO 101, constructing home brew transmitters, pirate radio, pagers, salsa, latin-dances, tango, Ecuador, Quito, Ukraine, Kiev, Ireland and more.
Themen: Sendetechnik, Sender, Piratensender, Schaltpläne, Baupläne, Magnetkarten, Irland, Ukraine, Ecuador, SMS, Pager etc
[ Hits: 928 | Votes: 0 | Rating: 0 ]
- CW Decoder
pop
- This program allows CW operators to copy CW code with a computer. The decoded CW is displayed as text or can generate a side tone. There is a spectrum display of the audio with a sliding cursor to select a particular audio for decoding. The program also allows for keying a transmitter from the keyboard with full CW break-in operation.
[ Hits: 53215 | Votes: 79 | Rating: 6.4 ]
- WD6CNF Voice keyer
- Audio voice keyer Microphone input, speaker output Live microphone enable
Record/play audio from twelve memories
Display text of recorded audio
Transmitter keyed via serial (com) port
Loop (with variable delay) audio output
[ Hits: 7488 | Votes: 8 | Rating: 3.62 ]
- RF Coaxial Connectors
- RF coax(ial) connectors are a vital link in the radio spectrum. Coax connectors are often used to interface two units such as the antenna to a transmission line, a receiver or a transmitter. The proper choice of a coax connector will facilitate this interface.
[ Hits: 4332 | Votes: 0 | Rating: 0 ]
- 5 Watt 40 Meters transmitter
- This circuit is unique in that it uses a power mosfet as a final rather than a conventional bipolar transistor.
[ Hits: 8445 | Votes: 7 | Rating: 5.29 ]
- Tone Keyer For Morse Code Programs
- Key your transmitter from the tone output of a Morse Code generator program
[ Hits: 1418 | Votes: 1 | Rating: 10 ]
- Made your Iambic keyer
- This iambic keyer uses a PIC16C84 or PIC16F84 microcontroller to generate the dot/dash timing and key the transmitter.
[ Hits: 4402 | Votes: 4 | Rating: 5.5 ]
- The Fox - 750 mw transmitter
- This RDF three transistor 144 MHz transmitter uses a 48 MHz scanner crystal as an oscillator / tripler. A second transistor boosts the signal to 40 milliwatts, a third amplifies the power output to 750 milliwatts.
Includes schematic and pictures.
[ Hits: 423 | Votes: 2 | Rating: 5.5 ]
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