ib wave

ib wave

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• VK5AH -HF 4 Bander dipole  ^pop - A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too.
  [ Hits: 54043 | Votes: 22 | Rating: 6.68 ]

• CobWeb multiband folded dipole - The cobweb antenna it is basically a 5 band antenna comprising of 5 full half wave dipoles for each band - between 10 meters and 20 meters, the antenna is also resonant on 6M and can be modeled even for VHF frequencies.
  [ Hits: 8631 | Votes: 0 | Rating: 0 ]

• Portable QRP HF Antennas - Notes on the end-fed half-wave antenna, single-band stub-fed EFHW and a multiband EFHW antenna
  [ Hits: 6414 | Votes: 1 | Rating: 7 ]

• Build An LF Antenna Analyzer - A Portable Low Frequency Antenna Analyzer, For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer". These gadgets combine a signal generator and standing-wave ratio (SWR) sensor in a small battery-powered unit.
  [ Hits: 4567 | Votes: 2 | Rating: 5 ]

• Center-Loaded Off-Center-Fed Dipole - 6 band - Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m
  [ Hits: 8060 | Votes: 8 | Rating: 6.62 ]

• Phone line as a SW antenna - This article describes how to use a phone line as a shortwave receiving antenna, but be carefull telephone lines present a potential shock hazard, use at your own risk
  [ Hits: 2546 | Votes: 3 | Rating: 4.33 ]

• SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
  [ Hits: 8406 | Votes: 8 | Rating: 6.12 ]

• RadioWorld Inc. - Canadas Amateur radio, citizen band , shortwave, scanners, marine radio distributor and manufacturer of ham radio accessories
  [ Hits: 12617 | Votes: 23 | Rating: 7.87 ]
• Ni4L ANTENNAS & ELECTRONICS - Ham radio antennas and electronics, specialized in 1/2 wave dipole, OCF dipole, windom, full wave loop, end fed, inverted L, portable end fed antenna, long wire, SWL antenna, fan dipole, multiband dipole, G5RV and military antennas.
  [ Hits: 1608 | Votes: 7 | Rating: 8.86 ]

• OptiBeam - optimum short-wave antennas, developed by hams for hams
  [ Hits: 2772 | Votes: 5 | Rating: 8.6 ]

• Times Microwave Systems - Manufacture LMR Flexible low loss coax cable, connectors, and cable assemblies for Wireless Communications applications.
  [ Hits: 1234 | Votes: 1 | Rating: 6 ]

• Digital Radio Box - DiRaBox Digital Radio Box PC-controlled Shortwave Receiver for Software Defined Radio. The shortwave spectrum offers worldwide reception possibilities like broadcast and amateur radio.
  [ Hits: 2214 | Votes: 4 | Rating: 4.25 ]

• AN Wireless Tower Company - AN Wireless is a manufacturer and distributor of Self Supporting Tower Systems for Wireless Communications, Wireless Internet, Wireless Networking, Microwave, Paging, Broadcast, Two-Way Radio and Amateur Radio.
  [ Hits: 1838 | Votes: 4 | Rating: 6 ]

• Digital Signals Sounds - Several files with examples of sounds from digital radio modes on short wave. PSK, RTTY Hellschreiber MFSK FSK Sitor
  [ Hits: 1626 | Votes: 6 | Rating: 5.17 ]

• HF Propagation Primer - Flash Movie describing HF (shortwave) radio propagation to beginners. Very helpful aid in understanding.
  [ Hits: 1716 | Votes: 21 | Rating: 8.67 ]

• Islamic Republic of Iran Broadcasting - Broadcasts national and international programs locally and to all world regions in over 30 languages on mediumwave FM, TV, RealAudio/TV and on shortwave.
  [ Hits: 780 | Votes: 1 | Rating: 9 ]
• In Touch Ministries - Broadcasts Bible teachings in 15 languages to all world regions on local media such as mediumwave, TV and FM, via international shortwave radio and Internet radio and TV.
  [ Hits: 764 | Votes: 3 | Rating: 7 ]

• Electronic DX Press - Founded in 1995, a Club with a worldwide membership, administered from Australia. Shortwave, digital broadcasting, Australian medium-wave and FM, equipment. E-mailed "World Broadcasting Magazine", messaging forums, regular radio programs, extensive resource library.
  [ Hits: 1971 | Votes: 9 | Rating: 2.22 ]

• DSPBOX - DOS Freeware, DSPBOX is an attempt to code the Texas Instruments DSK 'C50 in such a way to make it behave like a commercial DSP noise reduction unit, like the NIR-12, the TimeWave 599+ and others. Not only the noise reduction function has been implemented, but automatic notch, AGC and Band Pass have as well.
  [ Hits: 2401 | Votes: 0 | Rating: 0 ]

• WD5HOH Regenerative(Regen) Receiver - This web page describes a small, single tuned circuit regenerative receiver primarily for daylight reception in the 16, 19, 22 and 25 meter international shortwave broadcast bands.
  [ Hits: 9373 | Votes: 8 | Rating: 6.5 ]

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