signal
478 links - and 11 categories
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Antennas : Feed Lines- Why good Antennas need good Coax cable
- The importance of an efficient antenna feed line that can minimize the disturbing noise for an optimal signal reception
[ Hits: 462 | Votes: 1 | Rating: 10 ]
- 80M 4-Square
- An antenna project to obtain a bigger signal on the
80 Meter (3.5 to 3.8 MHz) amateur radio band
[ Hits: 836 | Votes: 0 | Rating: 0 ]
- The Quagi Antenna Turns 40
- It has been 40 years since the VHF-UHF Quagi antenna--a combination of the desirable features of a Yagi and a cubical quad--was developed and the design was first published in the newsletter of the Southern California VHF Club, a forerunner of today's Western States Weak Signal Society.
[ Hits: 467 | Votes: 1 | Rating: 10 ]
- Small Loop Antenna Array for HF Reception
- Receive-only loop antennas have some nice response characteristics that make them ideal when used for reception of skywave signals.
[ Hits: 932 | Votes: 1 | Rating: 9 ]
- A 146- and 445-MHz J-Pole Antenna
- Pipe your signals to 146 and 445 MHz with one antenna!
[ Hits: 1527 | Votes: 3 | Rating: 8 ]
- Radio Sound Examples
- Always wanted to know what kind of sounds we hear, when listening to the radio? Here are some examples
[ Hits: 458 | Votes: 2 | Rating: 4.5 ]
- Keysight (Agilent) Signal Generator
- Keysight offers numerous baseband, RF, and microwave signal generator (signal source) products. From basic to advanced, baseband to 67 GHz, Keysight signal generators are capable of frequency extensions to 500 GHz with millimeter-wave source modules.
[ Hits: 237 | Votes: 0 | Rating: 0 ]
- Radio Secret Security Service
- The role played by hams intercepting enemy signals in WW2
[ Hits: 285 | Votes: 1 | Rating: 10 ]
- HI FI ESSB AUDIO
- Listen to NU9N Radio Interview On ESSB Audio and to audio samples of some ESSB signals
[ Hits: 276 | Votes: 0 | Rating: 0 ]
- Receiving JT65 with RTL-SDR
- How to receive JT-65 signals using a cheap RTL-SDR dongle with the 820T2 tuner chip
[ Hits: 832 | Votes: 1 | Rating: 7 ]
- CW Bass Ackwards
- CW-R Explained. CW reverse mode CW-R receives CW signals with a reverse side CW carrier point like that of LSB and USB modes
[ Hits: 501 | Votes: 1 | Rating: 10 ]
- Radio Signal Path Loss
- Article about the essentials of radio signal path loss, its causes and prediction, and its use in radio coverage and wireless survey tools
[ Hits: 187 | Votes: 0 | Rating: 0 ]
- Big Signal
- Amateur Radio HF Cubical Quad and Delta Loop antennas manufacturer based in Spain
[ Hits: 1050 | Votes: 0 | Rating: 0 ]
- Digital Speech Decoder
- MUlti mode digital signal decoder software capable or C4FM D-Star decoding, a guide to compile and install DSD
[ Hits: 1038 | Votes: 2 | Rating: 5 ]
- WSJT-X Download Page
- WSJT-X - Weak Signal Communication, by K1JT - offers specific digital protocols optimized for EME (moonbounce), meteor scatter, and ionospheric scatter, at VHF/UHF, as well as for LF, MF, and HF propagation. The program can decode fraction-of-a-second signals reflected from ionized meteor trails and steady signals more than 10 dB below the audible threshold. WSJT-X incorporates nearly all popular capabilities of programs WSJT and WSPR, while adding comprehensive rig control and many other features. Open-source, download latest version for Windows, Linux, Macintosh OS X.
[ Hits: 8701 | Votes: 50 | Rating: 7.1 ]
- Introduction to RF & Wireless Communications Systems
- This tutorial covers an introduction to RF, wireless, and high-frequency signals and systems, includes explaination of what is RF, why operate at Higher Frequencies, Frequency Shifting through Frequency Mixing.
[ Hits: 281 | Votes: 1 | Rating: 6 ]
- Low-Cost WSPR with Raspberry Pi and SDR
- Using the Raspberry Pi to operate Weak Signal Propagation Reporter
[ Hits: 1044 | Votes: 4 | Rating: 9.75 ]
- Sending and receiving Laser CW signals with a Raspberry Pi
- Sending and receiving text with Morse code light pulses across the room is a fun and cheap project you can do on a Raspberry Pi or Arduino or any other microcontroller. This post explains how I did it, and how you can do it too.
[ Hits: 290 | Votes: 0 | Rating: 0 ]
- UHF Crystal Radio
- A simple UHF Crystal Radio wired up to check for reception of VHF/UHF signals in the vicinity of the shack.
[ Hits: 719 | Votes: 5 | Rating: 7.6 ]
- Arduino simple signal generator
- Build a Arduino simple signal generator with an arduino board and some resistor to work as a 8bit DAC
[ Hits: 791 | Votes: 2 | Rating: 5.5 ]
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