How to Find Online Ham Radio Exams Antenna Stringing Up Antennas – ARRL’s The Doctor Is In June 06, 2019 No comments “Trees make handy […]
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Measure length of coax, etc. with your scope, a battery and a resistor – simple TDR
Measure length of coax, etc. with your scope, a battery and a resistor – simple TDR Antenna Force 12 FPA-20-OCF Vertical running through 8 to […]
Read moreARISS: Celebrating 20 Years of Continuous Operations on ISS
Twenty years ago – November 13, 2020 – the Expedition-1 crew turned on the ARISS Ericsson radio for the first time and completed several contacts […]
Read moreKN-990 HF 0.1~30MHz SSB/CW/AM/FM/DIGITAL IF-DSP Amateur Ham Shortwave Radio Transceiver Spectrum
KN-990 Features: 3.5 inch LCD, without touch fuctionFrequency range: Reception: 0.1~30MHztransmitting : Amateur shortwave bandWorking mode: SSB/CW/AM/FM/DIGITALReceiving sensitivity: 0.2uVMinimum frequency step: 10HzWorking voltage: 12~15V DCCurrent parameter: RX […]
Read moremAT-705 Tuner Introduction
mAT-705 Tuner Introduction The MAT-705 is a very small and powerful tuner for portable shortwave devices, especially designed for the Icom IC-705. The MAT-705 tunes […]
Read moreGeomagnetic Storm Watches Are in Effect through December 11
NOAA’s Space Weather Prediction Center (SWPC) reports that geomagnetic storm watches are in effect through December 11, due to the effects of a direct coronal mass ejection (CME) collision […]
Read moreA One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020
A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020 Antenna How a Beverage Antenna Works August 13, 2016 No comments Read […]
Read moreIceland: 1850 kHz authorization renewed
Iceland’s IRA received a positive response from the Post and Telecom Administration (PTA), December 4, to their request to renewal the authorization to use 1850-1900 […]
Read moreFTDX10 – New Video
FTDX10 Hybrid SDR Configuration: Like the FTDX101 series, the new FTDX10 utilizes the Yaesu Hybrid SDR configuration – Narrow Band SDR and Direct Sampling SDR. […]
Read moreTurn a Cheap Ham Radio Into An APRS & WinLink Transceiver
“Today we take a look at the Mobilinkd TNC3. The TNC3 uses the KISS protocol to feed packet data to your phone or computer over […]
Read moreQYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo
The QYT KT-780 Plus is a 100 watt mobile radio on the 2 meter Amateur Radio Band, and works on FM mode. Today we will […]
Read moreBuild your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band.
Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band. Antenna “Big Wire Antennas” [ ARRL The Doctor Will See […]
Read moreC7.4 solar flare
Solar activity has been fairly boring during the past few days but a surprise solar flare woke us up. A long duration C7.41 solar flare peaked […]
Read moreThe AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters
The AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters. 4 efficient monobenders per 1 traverse: 3 elements per 40m with […]
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