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Receiving loop aerial for 1.8 MHz - Bulding notes of a receiving loop antenna for 160 meters band

Active Loop Converter for LF - Active Loop Converter for the LF Band by Lloyd Butler VK5BR originally published in Amateur Radio, July 2000)

Interference Cancelling System - The use of interference signal cancellation has been around for some time. The idea is to use an auxiliary antenna almost any random length of wire in addition to the main receiving antenna

Antique Vacuum Tubes - Electron Tubes - Dealer Priority listing - Antique Vacuum Tubes, Buy, Sell, here you can shop for tubes.

Papa Uniform - CB radio club established in Ireland, lots of information for beginners and members..

Club Technisch Interessierter Funkamateure CTIF - CTIF is an association of Radio Amateurs in Tirol, Austria

Otto Engineering - OTTO Communications designs and manufactures audio accessories for two-way radios used in public safety, police, fire, retail, hospitality manufacturing and other markets.

Gold Line - Manufacturer of professional audio test and analysis equipment and of cb, marine and amateur radio accessory equipment.

EZMaster by HamRadioSolutions - EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity. Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .

K2RF Communications Products - K2RF is a manufacturer of radio frequency, audio, and video processing products including repeater link controllers, speech limiters, and RF equipment for the commercial, HAM, and amateur radio consumer.

Idiom Press - CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.

Automatic Lightning Protection. - Lightning Rods - Protect your family, home, and property. Top quality copper and aluminum equipment.

Split Operations - When and How - When do you need to go to a split operation ? When the people you are giving reports to are not answering, or when you are not getting your report from the station you are working because of other stations who are continuously calling.

VLF-LF And the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise. A Loop Aerial is described suitable for use on the LF and VLF bands together with a circuit of an interface loop tuner and preamplifier. The discussion extends to the problems of amplifier noise and the advantages of tuning the loop.

Australian National VHF DX Group - ANVDG - Australian National VHF DX Group

VK2KRR DUCT Info - Tropospheric Ducting information that has been researched at Station VK2KRR.

Eufaula police scanner - Live Streaming Scanner Feed for Eufaula, Alabama's Police & Fire Depts. and the Barbour Co. Sheriff Dept.

MTS Ham Radio Repair - Radio / electronics repair ICOM authorized service center

Radio Korea - RKI (Radio Korea International), an international broadcast service. Information and connection to live Real Audio broadcasts. RKi brings 10 languages news and Korean songs

Radio Canada International - The radio voice of Canada broadcasts daily programs in French, English, Spanish, Arabic, Chinese, Russian and Ukrainian, on shortwaves, satellite and via RealAudio.

Radio Austria International - The radio voice of the Government of Austria broadcasts worldwide in numerous languages.

Israel Radio - Israel Broadcasting Authority guide to the IBA radio networks known in Hebrew as Kol Israel - the Voice of Israel.

SV2AGW AGWTerm Packet Terminal - This program needs no other explanations because it is just a terminal program. The only difference is that it is multitasking. This means that you can have multiple connects and you can YAPP without restrictions. You can receive as many YAPPs as you wish simultaneously. If you have more than a RadioPort (You have more than a TNC) you can connect in any RadioPort. You can have also unlimited number of connections (about 100).

Antenna Noise and Signal Cancelling at LF - By using the signals from two antennas, controlling their relative amplitudes and controlling the phase of one of them, unwanted signal or unwanted noise can be phased out. Circuitry is described which uses the signal from a wire antenna to provide selective cancelling against the signal output from an LF loop antenna.

Rig to Soundcard Interface by M0UKD - Practival project that contains two isolation transformers, one for AF from the tranciever to the line in on a soundcard, and one from the audio out of the soundcard back to the mic / data input of the radio. Both of which are variable inside the interface via two preset resistors.