Table EZNEC simulation, gain and F / B in free space



App - Mobile
SmartSDR for iOS v3.9.12 Now Available
Marcus, DL8MRE announces that release of SmartSDR for iOS v3.9.12 is now available for download or update from the Apple App Store. SmartSDR is a full... Read more
SignalID – Automatic Radio Signal Identification for Android
There’s an incredible amount of radio signals. It’s impossible to know them all, let alone recognize them. So why not get help from Signal... Read more
EchoHam version v2.10 has been released
EchoHam allows Amateur Radio operators to use the Echolink network from their Mac. You must be a licensed Amateur Radio operator to use this software.... Read more
SatSat for IOS version 1.4.11 has been released
SatSat, by Fabrice Aneche is a satellite tracking software, for radio amateurs, scientists or hobbyists. It displays current and next passes for any s... Read more
GNU RADIO CODE FOR ANDROID NOW RELEASED
Supports the most recent version of GNU Radio (v3.8). Supports 32-bit and 64-bit ARM architectures (i.e., armeabi-v7a and arm64-v8a). Supports popular... Read more
Review
Ham Radio vs CB
Ham Radio vs CB, Citizen’s Band Radio – Ham Radio compared to CB frequencies and modes – which ones is better? Today let’s tal... Read more
Ham Radio Forms a Planet-Sized Space Weather Sensor Network
The article “Ham Radio Forms a Planet-Sized Space Weather Sensor Network,” appeared on February 9 in Eos, Earth & Space Science News — an American... Read more
SCU-LAN10 with FTdx101 / FTdx10 Overview
SCU-LAN10 with FTdx101 / FTdx10 Overview Read more
RFI NOISELOOP Portable Receive Antenna
RFI NOISELOOP Portable Receive Antenna Read more
An Aircraft Tale That Applies to Ham Radio
An Aircraft Tale That Applies to Ham Radio Read more
News
Mystery Box! ARRL Expo At Home Surprise Pack
The ARRL offered surprise boxes as part of their ‘Expo at Home’ for the 2021 Orlando Hamcation. I ordered a mystery apparel pack and a mys... Read more
“Whirlwind Boom” Emergency Communications Exercise Set in Northern Florida
The amateur radio communications team of the Florida Baptist Disaster Relief has created a multi-site radio communications exercise dubbed “Whirlwind... Read more
ARES and Red Cross Cooperate to Assist Storm-Affected Residents in Texas
ARRL Amateur Radio Emergency Service (ARES®) and American Red Cross volunteers joined forces in Texas under the ARRL/Red Cross memorandum of understan... Read more
ARRL CEO David Minster, NA2AA, to Keynote QSO Today Virtual Ham Expo
ARRL CEO David Minster, NA2AA, will keynote the QSO Today Virtual Ham Expo March 13 – 14 weekend. Minster’s talk — part of an 80+ speak... Read more
23cm band in the spotlight with regulators
During the week 15 – 19 February, the preparatory work for WRC-23 agenda item 9.1b continued in ITU‑R Working Party 4C (WP4C)... Read more
Equipment
Radioddity Raddy RW3 Go-Kit-Type Radio AM/FM/WX, Phone Charger and More
Radioddity Raddy RW3 Go-Kit-Type Radio AM/FM/WX, Phone Charger and More [Small Size But All-Purpose] Unlike other FM/AM/NOAA radios, the RW3 is a Blue... Read more
PANADAPTER For Any Radio DC – 160 MHz SDR Antenna Switch
PANADAPTER For Any Radio DC – 160 MHz SDR Antenna Switch Read more
Yaesu M-70 | Desktop Microphone
The Yaesu M-70 is a new desk top microphone from Yaesu, it is ideal for the new FT-DX10 model but will function with other Yaesu Models. More info so... Read more
New! Wattmeter HF/50 MHz FX773 3/5 kWatt
Technical Features VECTOR SWR/POWER METER METROPWR FX773Coverage 1.8/55 MHz 160/6mtHF/55MHz Measure Power AVG, PeP, dBm, R, Z, |X| , SWR, FrequencyWid... Read more
PA500 ultra-compact RF amplifier with tuner
PA500 linear amplifier with integrated automatic antenna tuner for your next adventure.The complete solution to conquer limitations unique form-factor... Read more
Software
Paper Logging and Using Fast Log Entry for POTA – Ham Radio Q&A
“I typically paper log my Parks on the Air contacts during an activation. After I get home I will transcribe and edit the log with Fast Log Entr... Read more
New WSJT mode Q65
WSJT-X 2.4.0 will introduce Q65, a digital protocol designed for minimal two-way QSOs over especially difficult propagation paths On paths with D... Read more
Ham Radio Deluxe
Read this BEFORE you download and install this software. Keys formatted like “ASDF-QWER-ZXCV-ASDF” will NOT work. That software license se... Read more
Gqrx 2.13 is out!
Gqrx SDR 2.13 argilo released this 15 hours ago Stereo option for UDP streaming. Script to generate AppImage. Allow scroll wheel direction to be inve... Read more
WSJT-X Beta Release Introduces Digital Protocols Designed for LF and MF Bands
The latest beta release of the WSJT-X digital software suite includes digital protocols particularly designed for communication on LF and MF... Read more
Digital Modes
FT8DMC 3rd Anniversary-Activity Days 2020
To commemorate our 3rd anniversary, special event stations will be on air during the FT8DMC Activity Days from 1. to 31. July 2020. All stations will... Read more
K1JT , JOE TAYLOR HINTS AT POSSIBLE NEW MODE!
In a post to the WSJT-X email group today, Joe Taylor K1JT hinted at some ongoing experimentation of a new digital mode with sub-modes. His post was a... Read more
WWSA GACW Contest Rules.
WWSA GACW I – Dates Second weekend of June of every year. From Saturday 15.00 UTC until Sunday 15.00 UTC. 24 hours period. II – Goal To co... Read more
App - Mobile
SmartSDR for iOS v3.9.12 Now Available
Marcus, DL8MRE announces that release of SmartSDR for iOS v3.9.12 is now available for download or update from the Apple App Store. SmartSDR is a full... Read more
SignalID – Automatic Radio Signal Identification for Android
There’s an incredible amount of radio signals. It’s impossible to know them all, let alone recognize them. So why not get help from Signal... Read more
EchoHam version v2.10 has been released
EchoHam allows Amateur Radio operators to use the Echolink network from their Mac. You must be a licensed Amateur Radio operator to use this software.... Read more
SatSat for IOS version 1.4.11 has been released
SatSat, by Fabrice Aneche is a satellite tracking software, for radio amateurs, scientists or hobbyists. It displays current and next passes for any s... Read more
GNU RADIO CODE FOR ANDROID NOW RELEASED
Supports the most recent version of GNU Radio (v3.8). Supports 32-bit and 64-bit ARM architectures (i.e., armeabi-v7a and arm64-v8a). Supports popular... Read more