Many of us tried the old “Two tin cans connected by a string” experiment as kids. [Michael Rainey, AA1TJ] never quite forgot it. Back in 2009, he built “El Silbo”, a ham radio transmitter powered entirely by his voice. El Silbo is a Double Side Band (DSB) transmitter for 75 meters. While voice is used to excite the transmitter, it doesn’t actually transmit voice. El Silbo is a CW
“Ken, N2DF, is having trouble with his HT because of his metal house. He is unable to connect and communicate. He is wondering if he can the end of a feedline from his Vertical from the top of his roof, and connect it to another anten... Read more
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This split image shows the difference between an active Sun during solar maximum (on the left, captured in April 2014) and a quiet Sun during solar mi... Read more
Designed and built by Dennis, KI6AIX. This Mobile Comm Center features VHF and UHF two-way radios, a scanner, internal battery or power supply.... Read more
Check out this new dual band DMR HT and how easy it is to program! Read more
DX News — ARRL DX Bulletin #45:ZCZC AE45 QST de W1AW DX Bulletin 45 ARLD045 >From ARRL Headquarters Newington CT November 12, 2015 To all rad... Read more
XIEGU G106 Xiegu keep themselves pretty busy developing cost effective QRP transceivers. This new model is a replacement for the G1M. Peter G3OJV gets... Read more
QYT KT-UV980 UHF VHF Mobile Radio Specifications: Model: KT-UV980 This product has the function of the new development menu Personalized design oper... Read more
Made between the 1947 invention of the transistor at Bell Labs and the 1956 awarding of the Nobel Prize for Physics to its creators, this documentary... Read more
06 – 09 October 2022, Hotel Materada, Poreč First annual international Contest meeting for HF & VHF contesters.Idea was born by 9A1P in the... Read more
In a Memorandum Opinion and Order (MO&O) released June 17, the FCC denied a Petition for Reconsideration filed by HobbyKing of... Read more
Djibouti J20DX IOTA DXpedition operators Col McGowan, MM0NDX; Jonathan Bowes, MM0OKG, and Christian Cabre, EA3NT, have thrown in the towel on their ef... Read more
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Solar Cycle 25 Is Here. NASA, NOAA Scientists Explain What That Means
Mobile Communications Center – Go Box by KI6AIX
Ailuance HD-1 Dual Band DMR HT Debut [ Video ]
DX News — ARRL DX Bulletin #45
XIEGU G106 – First Look at this New HF Transceiver
QYT KT-UV980 UHF VHF Mobile Radio
The Transistor: a 1953 documentary, anticipating its coming impact on technology
ICM – ISTRA CONTEST MEETING BY 9A1P
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Djibouti J20DX IOTA DXpedition Thwarted by Bureaucracy
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