COAXIAL CABLE – ATTENUATION & POWER HANDLING CALCULATOR
Great On-line Calculator from Times Micro Wave:
Sample:
Recent Posts
Comet CAA-500 MK2 Antenna Analyzer Preview
CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen... Read more
“Receive Filters” episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
Receiving every signal is not always a good thing — especially when you receive them all at once! The Doctor describes why proper filtering is... Read more
AO-85 Turned Off due to Return of Eclipse Periods and Poor Battery Condition
The Fox-1A (AO-85) CubeSat has been turned off until further notice due to return of eclipses and poor battery condition, control operator Mark Hammon... Read more
![30s snapshot of the CQWW 160 contest [ VIDEO ]](https://qrznow.com/wp-content/uploads/2020/01/cqww-190x122.jpg)
30s snapshot of the CQWW 160 contest [ VIDEO ]
Morse code is hugely popular as evidenced by the level of activity seen in the this 30 second snapshot of the CQWW 160 metre contest this evening. Des... Read more
A strong (G3) geomagnetic storm is currently in progress
Surprise! A strong (G3) geomagnetic storm is currently in progress thanks to an enhanced solar wind stream containing a sharply south pointing Bz. Vis... Read more
A Peek into the New Cycle: Solar Storm Forecast 04-12-2018
“Fast solar wind bombards Earth this week from a large coronal hole gracing much of the Sun’s face. We have already reached storm conditio... Read more
Ham Radio Rider To Doffo Winery Via 2016 Harley CVO Road Glide Ultra
by Jonathan Handler Besides motorcycles, and a few other things, I really enjoy ham radio. I have since I was about 12 years old, though there was a... Read more
Ham Radio Deluxe 6.4.0.794 Released
Ham Radio Deluxe 6.4.0.794 Released The first release of Ham Radio Deluxe for 2018 is now available for download. Please download it from the Download... Read more
DU3500AL Automatic Tuner by HA8DU
DU3500AL Automatic Tuner by HA8DU Frequency range : 1,8-30MHz Matching range : max power 5:1 SWR 1,8MHz 35 ohm – 150 ohm 3,5MHz ... Read more
ARRL and TAPR Virtual Online Digital Communications Conference (DCC)
FRIDAY, SEPTEMBER 11, 2020 EDT UTC-4 PDT UTC-7 UTC PRESENTATION 9:00 6:00 13:00 Opening Remarks 9:15 6:15 13:15 HamSCI PSWS Overview/Status... Read more
The Sun could produce solar flares 1,000 times more powerful than previously recorded
New research suggests that our Sun is capable of releasing huge superflares 1,000 times more powerful than anything we’ve ever seen – and if one... Read more
Geochron 4K World Clock – Review
Geochron “For 50 years, Geochron made a classic, mechanical clock showing the time across the world as well as areas of light and dark. Well, th... Read more
New AZEL1000CBWP – M2 Antenna
M2 Antenna New AZEL1000CBWP. Weatherproof version of our AZEL1000 pedestal in action with 200-500 MHz Log Periodic and 500-1000 MHz Helix antennas in... Read more
Company Established by Inventor Nathan Cohen, W1YW, Advances Cloaking Technology
Fractal Antenna Systems, Inc., established by noted radio amateur and inventor Nathan Cohen, W1YW, continues to stretch technological boundaries of be... Read more
Hiram Percy Maxim Birthday Celebration Results and Certificates Now Available
Results and certificates from the Hiram Percy Maxim (HPM) Birthday Celebration August 31 – September 8 are now available. The 9-day operating event co... Read more
FCC Announces Enforcement Bureau Field Office Reorganization Plans
Forced under political pressure to take a few steps back from its initial proposal to eliminate two-thirds of its Enforcement Bureau field offices, th... Read more
Plain Brown Wrapper : AmateurLogic 94
In this extra long episode Peter adds a display to his Arduino Uno. Emile visits the W5SLA hamfest. George explains how a triode tube amplifier works.... Read more
![New TQSL Version (v2.4) Released [ LOTW ]](https://qrznow.com/wp-content/uploads/2014/12/LoTW-1-190x122.jpg)
New TQSL Version (v2.4) Released [ LOTW ]
A new version of theTrusted QSL (TQSL) application — version 2.4 — has been released. The major new feature in this release is the ability to pre-se... Read more
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