narrow band
39 links - and 2 categoriesCategories
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Antennas : 70cm- Portable 70cm Quadruple Quad Beam
- A suitable high gain 70cms antenna for SOTA operation was sought that did not have the drawbacks of a long Yagi antenna, principally a narrow beamwidth and bandwidth.
[ Hits: 3545 | Votes: 3 | Rating: 8 ]
- The Short Dipole Using Coils
- A very popular method of making a short dipoles resonate at a given frequency. This type of antenna is suitable for single band, narrow bandwidth use.
[ Hits: 513 | Votes: 0 | Rating: 0 ]
- Narrow-bandwidth Television Association
- Narrow-bandwidth Television Association devoted to all aspects of early television.
[ Hits: 257 | Votes: 0 | Rating: 0 ]
- TE Systems
- Manuf RF power amplifiers wideband+narrowband for Commercial, Defense, OEM and amatuer markets. Also low-noise rf amplifiers
[ Hits: 1598 | Votes: 1 | Rating: 5 ]
- RSQ Signal Rporting for Digital Modes
- This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.
[ Hits: 710 | Votes: 1 | Rating: 5 ]
- Clover
- Clover technical specifications, digital communications mode that conveys 8-bit digital data over narrow-band high-frequency radio.
[ Hits: 929 | Votes: 1 | Rating: 10 ]
- Psk31
- PSK31 is a digital communications mode which is intended for live keyboard-to-keyboard conversations, similar to radioteletype. Its data rate is 31.25 bauds (about 50 word-per-minute), and its narrow bandwidth (approximately 60 Hz at -26 dB) reduces its susceptibility to noise.
[ Hits: 1441 | Votes: 1 | Rating: 10 ]
- CMSK
- CMSK is a narrow-band weak signal digital mode for LF and MF ham radio bands defined by ZL2AFP. CMSK63 is the windows client program.
[ Hits: 827 | Votes: 3 | Rating: 6.33 ]
- NAVTEX
- The NAVTEX system is used for the automatic broadcast of localised Maritime Safety Information (MSI) using Radio Telex (also known as Narrow Band Direct Printing, or NBDP).
[ Hits: 2247 | Votes: 5 | Rating: 5.8 ]
- Extreme narrowband modes: QRSS
- ON7YD narrowbands modes on 136 Khz
[ Hits: 697 | Votes: 0 | Rating: 0 ]
- K3UK's Quick and Dirty Guide to Narrow Bandwidth SSTV
- MMSTV help pages, describing how to setup and run this sstv program by Andrew O'Brien
[ Hits: 524 | Votes: 4 | Rating: 7.75 ]
- A PC as VLF receiver
- Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF
[ Hits: 852 | Votes: 1 | Rating: 8 ]
- K2 Change 20 30m band filter
- Elecraft K2 mod. Narrower bandpass filter, better stopband attenuation
[ Hits: 231 | Votes: 0 | Rating: 0 ]
- The Radio Shop
- The Radio Shop - CB or 10 Meter Radio Repair Sales and Scanner or Marine Radio Sales along with 2 Way Radio Programming with Optional FCC Narrowband Upgrades
[ Hits: 654 | Votes: 6 | Rating: 8.17 ]
- NBEMS
- The Narrow Band Emergency Messaging System (NBEMS) for Windows is a suite of software programs designed for point-to-point, fast, error-free, emergency messaging up to or over 100 miles distant, and takes up a very minimum of frequency space on the ham bands, leaving more space for other ham activites.
[ Hits: 1306 | Votes: 1 | Rating: 10 ]
- CwGet
updated
pop
- A program to decode morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware required — you need only receiver and computer with a sound card. Can integrate with AALog logger.
[ Hits: 75578 | Votes: 1736 | Rating: 7.09 ]
- MorseDecoder
- HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.
[ Hits: 3987 | Votes: 12 | Rating: 5.91 ]
- Narrow Band-Pass filter for HF
- Band-pass filters can be critical components in
competitive stations. This setup may help
put your station on the map.
[ Hits: 2560 | Votes: 1 | Rating: 1 ]
- Band-stop filter
- Wikipedia page on Notch filter, a narrow stopband - high Q factor filter
[ Hits: 442 | Votes: 2 | Rating: 2.5 ]
- Bandpass filters design
- How to design narrowband bandpass filters
[ Hits: 808 | Votes: 4 | Rating: 2 ]
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