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Site listings
Antique Radios : Collections
- W5JI Boatanchor Haven
- Dedicated to the Care and Feeding of BoatAnchors, includes some Drake catalogs, and 1968 Collins Mechanical filter catalog pages
[Hits: 387 | Votes: 0 | Rate: 0.00] DX Resources : Clusters
- DXWatch
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Priority listing
- Cluster spot filter service and webcluster, receive your filtered spots via email or icq.
[Hits: 22976 | Votes: 219 | Rate: 8.17] Manufacturers : Accessories
- K-Com -- Telephone RFI Filters
- Telephone RFI filters
[Hits: 832 | Votes: 6 | Rate: 6.17] - TX RX Systems Inc
- TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.
[Hits: 1014 | Votes: 3 | Rate: 6.00] - DCI Digital Communications
- Band pass filters, for radio frequency interference problems.
[Hits: 355 | Votes: 0 | Rate: 0.00] - Idiom Press
- CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.
[Hits: 1903 | Votes: 1 | Rate: 9.00] - ON4AOI Automatic Band Decoder
- Automaticaly select the correct antenna and bandpass filter, by ON4AOI
[Hits: 942 | Votes: 4 | Rate: 7.25] - DCI Digital Communications Inc.
- Filters, Duplexers, Combiners Bi-Directional Amps
[Hits: 457 | Votes: 3 | Rate: 7.00] Manufacturers : Antenna Analyzers
- ARTRA QRP Kits
- Lots of homebrew kits, you can buy kits or download as free, Association des Réalisation et Techniques RadioAmateurs. Transceivers, filters, converters, frequency meters, antenna analyzers, ATV receivers, interfaces
[Hits: 6665 | Votes: 1 | Rate: 3.00] Manufacturers : Antennas : HF : Active antennas
- Ameco
- Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
[Hits: 1377 | Votes: 0 | Rate: 0.00] Manufacturers : Antennas : VHF UHF Microwave : Satellite antennas
- PROCOM Antennas
- Manufacturer of communications antennas, bandpass filters, RF combiners, receiver multicouplers, diplexers, duplexers, RF connectors, RF circulators, RF isolators, RF couplers and SWR meters
[Hits: 4370 | Votes: 6 | Rate: 6.00] Manufacturers : Test Equipment : Power Meter
- Telewave
- Telewave's innovative engineering produces the industry's toughest antenna systems. Yagi, Fiberglass Collinear, and Dipole models are available from 66-2500 MHz. Wattmeters, test equipment,rf power meters, duplexers, filters and cavities, transmitters combiners
[Hits: 1250 | Votes: 0 | Rate: 0.00] Operating Modes : Morse code
- CW Command Post
- Replace four separate accessories keyer, keyermemory, audio filter, and audio amplifier-- with one box containing allfour and providing for multiple inputs and outputs. N1FN CW CommandPost
A not very original CW operating accessory "put together" by N1FN
[Hits: 1196 | Votes: 0 | Rate: 0.00] Radio Equipment : HF Transceivers : Icom IC-706
- Icom IC-706 Radio mods db
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- Info and mods for IC-706, IC-706 Expanded frequency IC706 - spare 0.3A, MARS/CAP Modification for ICOM IC-706, enables out-of-band transmit for 1.6 MHz to 54 MHz, ore sensitive transmit for 2 meter
IC-706 60 MHz to 200 MHz band pass filter, Icom IC-706 Extended RX mod, ICOM 706 MKII Extended transmit mod, Special on IC706mkII TX range expansion for IC-706MKIIG, Expand only mod for the IC-706MkII
[Hits: 15720 | Votes: 9 | Rate: 5.78] Shopping and Services : Accessories
- Eurofrequence Dierking in Germany
- Accessories, like universal audiofilter, Mixer interface for sound card, highvoltage powersupply, accessories for 706, hamradio vacation,Roger Beep, Microphons, Headsets and more. Please look
[Hits: 1477 | Votes: 5 | Rate: 6.20] Software : Antenna analysis
- HamCalc v1.3
- By G4VWL, HamCalc is collection of calculators for radio amateurs: Antenna ERP calculations.
Attenuators. Audio Filter design.Coil Winding.
Decibels. Great Circles map and calculator HF Filters HF Traps Metric conversions OP Amps
QRA Locator to Latitude/Longitude (and back)
Radio Horizon calculator Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations
[Hits: 12660 | Votes: 50 | Rate: 3.90] Software : DSP
- BR-universal-Filt
- Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable
[Hits: 4456 | Votes: 14 | Rate: 8.14] - WD6CNF DSP Filter
- Audio Digital Filter, two bandpass filters, three notch filters, two noise filters
graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal,
Microphone input, speaker output
Mono, 5 kHz bandwidth
[Hits: 3930 | Votes: 2 | Rate: 10.00] Software : Hellschreiber
- Spectrum Lab
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- DL4YHF's Audio Spectrum Analyser Spectrum Lab or Speclab started as a simple FFT program running under DOS a long time ago, but it is now a specialized audio analyzer, filter, frequency converter, hum filter, data logger and more.
Can be used for MTHELL QRSS, DFCW, PSK, MSK, Castle
[Hits: 31614 | Votes: 34 | Rate: 7.28] Software : Logging
- UALOG, YVLOG, SQ, AutoCQ
- UALOG, russian logbook, YVLOG log program for icon 756 radios, SQ echo repeater and DSP Filter for your radio
[Hits: 854 | Votes: 1 | Rate: 5.00] Software : Weak Signal
- HamView
- A freeware program to dig out weak signals buried in noise, functionally similar to the excellent FFTDSP of AF9Y, but with the added bonus of real time audio filtering of the incoming signals. Just point and click with the mouse, and the selected signal will stand out from the QRM and noise.
[Hits: 5002 | Votes: 2 | Rate: 7.00] Technical Reference : Filters Technical Reference : QRP Projects
- The smk-1 on 20m
- Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M
[Hits: 634 | Votes: 0 | Rate: 0.00] Technical Reference : Radio Frequency Interference
- TVI filters
- These filters are in use by hundreds of VHF weak signal operators and have been proven to be an
effective solution for fundamental overload problems.
[Hits: 883 | Votes: 1 | Rate: 7.00] - 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: 1123 | Votes: 1 | Rate: 3.00]
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