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Fan Dipole

DX Zone Links - Lun, 15/12/2014 - 08:01
a href="http://www.dxzone.com/catalog/Antennas/Multiband/"Antennas/Multiband/abrThe Fan dipole antenna offer a easy to setup and efficient HF multiband antenna that does not require tuners or antenna switches, diagram by YC8PVU, article by WB4IUY

Team Papa

DX Zone Links - Lun, 15/12/2014 - 08:01
a href="http://www.dxzone.com/catalog/Contesting/Clubs/"Contesting/Clubs/abrTurkish Amateur Radio Activity and Contesting Team

Impact of SWR on Power Amplifiers

DX Zone Links - Lun, 15/12/2014 - 08:01
a href="http://www.dxzone.com/catalog/Technical_Reference/Amplifiers/RF_Amplifiers_Theory/"Technical Reference/Amplifiers/RF Amplifiers Theory/abrArticle appeared on 10/05 ussue of QEX about the impact of load SWR on the efficiency of Power Amplifiers, PDF File by K9LA

Cuban HF Emergency Net Stands Down

Noticias ARRL - Dom, 14/12/2014 - 22:54
pA net on  7115 kHz that activated after torrential rainfall over Eastern Cuba has terminated operation. More than 15 inches of rain in a 24-hour period on December 11 and 12 over Baracoa in prompted activation of the Guantanamo FRC Provincial Emergency Net on December 12. IARU Region 2 Area C Emergency Coordinator Arnie Coro, CO2KK, has reported that the net closed down on December 13, after ispant.../span/p

Emergency Net Activated in Cuba on 7115 kHz

Noticias ARRL - Dom, 14/12/2014 - 18:54
pMore than 15 inches of rain in a 24-hour period over the city of Baracoa in eastern Cuba prompted activation of the Guantanamo FRC Provincial Emergency Net on 7115 kHz on Friday, December 12. IARU Region 2 Area C Emergency Coordinator Arnie Coro, CO2KK, asked that the frequency be kept clear./ppCoro reported on Saturday that rain was continuing to fall and that the net was expected to remain activ.../p

160 Meter Dipole

DX Zone Links - Dom, 14/12/2014 - 08:01
a href="http://www.dxzone.com/catalog/Antennas/160M/"Antennas/160M/abrThe 160 meter dipole is constructed from #12 stranded insulated wire available in most hardware stores. The feedpoint uses a section of PVC pipe Article by W1TR

Windom Antenna

DX Zone Links - Dom, 14/12/2014 - 08:01
a href="http://www.dxzone.com/catalog/Antennas/Windom/"Antennas/Windom/abrThis article describes the characteristics of the Windom antenna and shows the results of several simulations made with MMANA-GAL, covering models optimized for the 20 m, 40 m and 80 m bands.

HF Multiple Dipole Antenna

DX Zone Links - Dom, 14/12/2014 - 08:01
a href="http://www.dxzone.com/catalog/Antennas/Multiband/"Antennas/Multiband/abrThis article describes the design and simulation of a multiple dipole antenna for the HF band, using the software MMANA-GAL. The antenna will be designed to operate in the 10, 20, 40 and 80 m bands

Yaesu FT-857D links

DX Zone Links - Dom, 14/12/2014 - 08:01
Links to Yaesu FT-857 mods reviews and resource pages.

Dayton Hamvention 2015 Award Nominations Due by January 16, 2015!

Noticias ARRL - Dom, 14/12/2014 - 00:13
pTime is running short to submit nominations for the 2015 strongspanDayton Hamvention/span/strong® Amateur of the Year, Special Achievement, Technical Excellence and Club of the Year awards. Completed nomination forms and supporting documentation are due by January 16. All Amateur Radio operators (and clubs) are eligible. Winners will be recognized at the 2015 Hamvention®, which takes place May 15-17./pp/pulliThe strongAmateur of t.../strong/li/ul

W1AW/3 Active from District of Columbia for ARRL 10 Meter Contest

Noticias ARRL - Sáb, 13/12/2014 - 23:55
pThis weekend only, there’s another chance to work W1AW/3 in the District of Columbia. W1AW/3 is being hosted by the spanVoice of America Amateur Radio Club, K3VOA. /spanThe ARRL Centennial strongW1AW/strong portable operations taking place throughout 2014 from each of the 50 states are now in Indiana (W1AW/9) and Montana (W1AW/7)./pp/p

30m vertical dipole

DX Zone Links - Sáb, 13/12/2014 - 08:15
a href="http://www.dxzone.com/catalog/Antennas/30M/"Antennas/30M/abrThe 30 Meter Vertical Dipole is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses a T-section of PVC pipe. The coax loops through the PVC pipe to provide strain relief. by W1TR

Arduino Rotor Remoter

DX Zone Links - Sáb, 13/12/2014 - 08:15
a href="http://www.dxzone.com/catalog/Technical_Reference/Arduino/"Technical Reference/Arduino/abrThe Arduino series of boards is currently the ideal choice for a satellite rotor controller. This controller uses an extended Yaesu GS-232 command set to control a Yaesu G-5500 Az-El rotor and four SPDT relays by W9KE

Cheap Mike Boom

DX Zone Links - Sáb, 13/12/2014 - 08:15
a href="http://www.dxzone.com/catalog/Technical_Reference/Microphones/"Technical Reference/Microphones/abrMaking a mic boom recycling a common reading lamp by IK5PWC

Brasil Locator Map

DX Zone Links - Sáb, 13/12/2014 - 08:15
a href="http://www.dxzone.com/catalog/Operating_Aids/Grid_Squares/"Operating Aids/Grid Squares/abrMap of locators of Brasil

Arduino Rotator Controller

DX Zone Links - Sáb, 13/12/2014 - 08:15
a href="http://www.dxzone.com/catalog/Technical_Reference/Arduino/"Technical Reference/Arduino/abrRotator Controller Using Arduino and PstRotator project by G4HSK

Amateur (ham) radio satellites

DX Zone Links - Sáb, 13/12/2014 - 08:15
a href="http://www.dxzone.com/catalog/Operating_Modes/Satellites/"Operating Modes/Satellites/abrA checklists of amateur (ham) radio satellites, including launch dates and images of the satellites.

Best Contest Calendars

DX Zone Links - Sáb, 13/12/2014 - 08:15
The most popular amateur radio contest calendars

Ham Radio on iPhone

DX Zone Links - Sáb, 13/12/2014 - 08:15
Apple iPhone amateur radio apps. Find best ham radio apps for call sign search, ham radio logbook, grid square Locator and morse code.