signal485 links - and 11 categories
Antennas : Four Square
- 4 Square Vertical Phased Array
- Improve your 80 and 160 meter signal without a Yagi!
[ Hits: 15966 | Votes: 8 | Rating: 5.38 ]
- Amateur Radio Info
- Information for Amateur Radio, Echolink,``Frequency assignment,Q Signals, RST, Fcc Part 97, 3rd Party traffic.
[ Hits: 965 | Votes: 0 | Rating: 0.00 ]
- Navstar GPS
- GPS signal characteristics, system time, system segments, frequencies
[ Hits: 670 | Votes: 2 | Rating: 4.00 ]
- DOMINO - new MFSK mode
- A new MFSK mode with IFK by ZL1BPU and ZL2AFP.It is a simple Amateur Radio mode for keyboard QSOs. domino provides digital chat-mode operation on the HF bands, using the well respected sound card technique. Domino will handle TX/RX offsets and mistuning of 200Hz with ease, and will provide perfect copy of drifting signals up to 200Hz/minute!
[ Hits: 2223 | Votes: 7 | Rating: 6.43 ]
- Timewave manuals
- Timewave Documents for User Download, PK-900 Multimode Data Controller, PK-232 Multimode Data Controller, DSP-232 Multimode Data Controller, DSP-9 Noise Reduction and Bandpass Filter, Audio Signal Processor and Noise Reduction Filter, Audio Signal Processor and Noise Reduction Filter for Yaesu SP-5 and SP-6 Speakers
[ Hits: 1218 | Votes: 0 | Rating: 0.00 ]
- Interval Signals Archive
- Large collection of audio clips of foreign radio stations, with identification announcements in various languages, signature tunes and jingles, and of course interval signals.
[ Hits: 1986 | Votes: 15 | Rating: 6.34 ]
- LF Analyser
- Professional analyser sound signals, scope, spectrum, spectrograph
[ Hits: 2762 | Votes: 1 | Rating: 2.00 ]
- HF Analyzer
- Professional analyser HF signals, work with bandwidth 500Hz....60Mhz, ddc-mode, scope, spectrum
[ Hits: 5194 | Votes: 7 | Rating: 4.43 ]
- Software for imitation digital radio-signals: ASK, FSK, BPSK, QPSK, variable speed, any frequency
[ Hits: 1886 | Votes: 2 | Rating: 5.50 ]
- This is the most advanced scanner software for the AR8200 and the AR8600. It can effect any type of scan, can scan from 1KHz to 3000MHz in one time. The AREight is a software for help you to listen signals from around the globe on the shortwave bands
[ Hits: 3205 | Votes: 13 | Rating: 5.69 ]
- SIGVIEW spectrum analyzer
- Complete real time signal analysis software with wide range of powerful FFT spectral analysis tools, statistics functions and comprehensive visualization system.
[ Hits: 11199 | Votes: 10 | Rating: 7.60 ]
- Argo is a freeware windows viewer for MTHELL, Slow CW, like QRSS and DFCW. Can be used for EME operations by I2PHD and IK2CZL
[ Hits: 4696 | Votes: 5 | Rating: 5.20 ]
- A.M. tutorial
- This tutorial is designed to help explain some of the concepts involved in RF power measurement for amplitute modulated signals.
[ Hits: 3397 | Votes: 4 | Rating: 6.00 ]
- Audio Preamp
- Easy circuit that provide good gain to weak audio signals
[ Hits: 3562 | Votes: 2 | Rating: 3.50 ]
- Eliminate That QRM
- reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequency
[ Hits: 1079 | Votes: 0 | Rating: 0.00 ]
- 430MHz ATV transmitter
- ATV transmitter on 430MHz band used with special transmitting tube named 5894 for final stage. Run about 10W average for TV signal and 20W at synchronous peak. Final stage control gird modulation works well for NTSC color video signal and good at audio as well.
[ Hits: 3611 | Votes: 1 | Rating: 10.00 ]
- Receive only processing equipment
- One of our most popular products, receiving preamplifiers are used for achieving top signal band performance in competition operating, low noise longwave reception, repeater applications into the UHF region, or lab use
[ Hits: 1920 | Votes: 0 | Rating: 0.00 ]
- RFI Information Page
- This page gives information about Radio Frequency Interference, the unwanted reception of radio signals. You'll find out how to determine what is at fault (the transmitter or the receiver) and what you can do in either case.
[ Hits: 6961 | Votes: 4 | Rating: 4.75 ]
- 6m High Pass TVI filter
- Are you suffering from TVI? Then why not try this filter for size. It is a three-stage high-pass filter that blocks low-frequency 50MHz signals while letting through UHF TV.
[ Hits: 1361 | Votes: 2 | Rating: 3.00 ]
- Amateur Radio Repeater Controller
- The project requirement is to design the interface to the signal channel elements after the receiver
and before the transmitter
[ Hits: 1062 | Votes: 2 | Rating: 1.00 ]
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