dc filter

SM5DCO EH antennas - The Swedish EH Antenna Group

W6OAV'S LOOP - Bill Rinker, W6OAV, handcrafted this compact magnetic HF loop from copper and pvc plumbing supplies, a 12 volt motor, and some teflon sheets. He's had great reports with it.

W5JI Boatanchor Haven - Dedicated to the Care and Feeding of BoatAnchors, includes some Drake catalogs, and 1968 Collins Mechanical filter catalog pages

Los Angeles County Disaster Communications Service - Los Angeles County Disaster Communications Service a public service organization using Amateur Radio

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

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

Flex32 / Soundcard Packet for Windows - Flex32 soundcard packet tutorial by Charles Brabham N5PVL

PA3DFC direction finding - ARDF Homepage, Nederlandse ARDF-Homepage

Timewave manuals - Timewave Documents for User Download, PK-900 Multimode Data Controller, PK-232 Multimode Data Controller, DSP-232 Multimode Data Controller, DSP-9 Noise Reduction and Bandpass Filter, Audio Signal Processor and Noise Reduction Filter, Audio Signal Processor and Noise Reduction Filter for Yaesu SP-5 and SP-6 Speakers

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

RTSH - Online - Radio Tirana and Albanian Television (RTSH) broadcasts local news, music, and entertainment programs via FM, TV and mediumwave and international programs in 7 languages by shortwave radio.

Radio Vlaanderen International - Current program schedules, RealAudio feeds, and listening tips from Belgian Public Radio which broadcasts worldwide in Dutch, German, French and English.

Radio Nepal - Radio Nepal airs broadcasts on mediumwave, shortwave and FM frequencies and news bulletins and music on the Internet via RealAudio.

VOA News - Voice of America Homepage - International news from the Voice of America (VOA), a multimedia broadcasting service in 44 languages from the United States.

Vatican City Radio - Every day Vatican Radio broadcasts programmes in 40 different languages in five continents, produced by over two hundred journalists located in 61 different countries. Vatican Radio: producing more than 42.000 hours of simultaneous broadcasting covering international news, religious celebrations, in-depth programmes and music. Vatican Radio: from topical subjects to in-depth programmes on moral questions. Vatican Radio: offers to everyone, catholic or not, the Church's point of view.

Radio New Zealand International - Radio New Zealand International is a Shortwave Broadcaster. Our broadcasts are beamed to the island nations of the Pacific but can also be heard in other parts of the world.

Radio Pakistan - Broadcast 300 hours of programming a day through the facilities of 23 transmitters in the domestic and external services

Radio Veritas Asia - The Missionary of Asia - A Catholic shortwave broadcaster in Quezon City, Philippines which transmits programs to Asia in 17 languages.

Radio Romania International - Broadcasts over 47 hours daily on short and medium waves. Conducts a DX Club for SWLs and DXers.

English SW Broadcasters - English language International Shortwave broadcasts listed by search time.

Spectrum Lab  ^pop - 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

Direct Conversion HF Transceiver with DDS LO - Direct conversion HF radio with DDS frequency synthesizer is very interesting concept. OH7SV and OH2NLT are experimenting with such rig. Full stories will become available when project matures. Here we have some preview pictures and material.

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.

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.

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.