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Internet and Radio : Social Networks
- QRZCQ.com
- The DataBase for radio hams, callsign database, DX Cluster filtering, forum calendar and resources
[Hits: 118 | Votes: 3 | Rate: 9.33] Manufacturers : Filters
- Filter Concepts
- Custom EMI Filters, AC DC Three phase filters by Filter Concepts Inc.
[Hits: 68 | Votes: 0 | Rate: 0.00] Radio Equipment : HF Amplifiers : Kenwood TL-922 Radio Equipment : HF Transceivers : Drake TR7 Radio Equipment : HF Transceivers : Elecraft K2
- Elecraft K2 Improving CW Filter
- Here is a cheap and simple way to significantly improve the K2 CW filter(s). With this mod, even strong signals will fade to black as they tune out of the filter pass band
[Hits: 110 | Votes: 0 | Rate: 0.00] - K2 Change 20 30m band filter
- Elecraft K2 mod. Narrower bandpass filter, better stopband attenuation
[Hits: 29 | Votes: 0 | Rate: 0.00] - Elecraft K2 - Narrow Bandpass Filter
- This note covers narrowing the K2\'s 40M bandpass filter to cover the narrower 40M band and reject strong out of band broadcast interference
[Hits: 34 | Votes: 0 | Rate: 0.00] Radio Equipment : HF Transceivers : Yaesu FT-1000MP
- MPFilters for FT-1000MP
- MPfilters is a Windows-based program which enables you to select the Yaesu FT-1000MP and FT-1000MP Mark V main receiver and sub receiver IF filters via the radio’s CAT port
[Hits: 148 | Votes: 0 | Rate: 0.00] Radio Equipment : HF Transceivers : Yaesu FT-920 Radio Equipment : VHF-UHF Handhelds : Baofeng UV-3R Shopping and Services : Electronic Components
- Radius Power - DC Filters
- DC filters from radius power are specifically optimized for applications with DC supply like e.g. photovoltaic inverters. Radius Power provides total power solutions, EMI filters solutions from design to manufacturing, Three Phase, Single Phase, Power Line, IEC inlet, Power entry modules Filters.
[Hits: 33 | Votes: 0 | Rate: 0.00] Software : Android
- NKCCluster
- Android ham radio DX Cluster, compatible with DX Spider, AR-Cluster, DxNet, CC Cluster, and CLX nodes. NKCCluster supports connecting to a user-defined DX cluster node, filtering DX spots per bands of interest
[Hits: 311 | Votes: 2 | Rate: 2.00] Software : Filter Design Software : iPhone
- MorseDecoder
- HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.
[Hits: 1294 | Votes: 2 | Rate: 9.50] Technical Reference : Filters Technical Reference : Keyers
- QLF Filter
- Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.
[Hits: 82 | Votes: 0 | Rate: 0.00] Technical Reference : QRP Projects Technical Reference : Receivers
- 30 m Band Direct Conversion Receiver
- The direct conversion receiver described consists of only a bandpass filter, mixer IC, VFO and audio filter. With only 22 parts, this simple circuit should take a few hours at the weekend to construct.
[Hits: 188 | Votes: 0 | Rate: 0.00] Technical Reference : Test Equipment
- Crystal tester
- Crystal tester project, crystals are used to control the operating frequency of transmitters, and it is used in radio frequency converters, oscillators, filters for cw, ssb and many other applications.
[Hits: 220 | Votes: 1 | Rate: 10.00]
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