Slim Jim Antenna Calculator by M0NWK
Antennas/Slim Jim
Easy to use online Slim Jim antenna calculator. Input your frequency to automatically calculate the lengths of the different antenna parts.
QSO Map Pyton Script
Software/Developer Resources
This project is a python program used to plot the location of QSOs (radio contacts) on Google Earth or other mapping applications. It reads an ADI file of the QSOs and creates a KML file
Top Amateur Radio Websites - Issue 2133
USB Rig Interface, Dedicated 80m Vertical, Watching Propagation with FT8 Spots, OK1RD Beverage Antennas, Automatic Position Reporting System for HF, Repair or Replace Electrolytic Capacitors , Beverage switch-box,
Greater Louisville Hamfest 2021
Join us at Paroquet Springs Conference Centre in Shepherdsville as we celebrate 60 years of hamfests in Kentuckiana. It's all about Forums, the Flea Market, Tailgating, Prizes and Gathering together as hams
ICQPodcast - Grand Field Day
In this episode, Martin Butler (M1MRB) is joined by Chris Howard (M0TCH), Frank Howell (K4FMH), Bill Barnes (WC3B) and Caryn Eve Murray KD2GUT to discuss the latest Amateur / Ham Radio news. Colin (M6BOY) rounds up the news in brief and in the episode we feature a Grand Field Day
Japan delays transition deadline for new spurious standard
JARL reports it has been decided to extend the transition deadline to the new spurious standard for radio equipment
Why pigeons mean peril for satellite broadband
BBC News report: It's actually been very good but I noticed a series of outages - some a second, some longer, says Prof Alan Woodward
The curious case of the radio amateur and the insulin pump
A substantial part of gaining and holding an amateur radio licence relates to the prevention of radio interference. In days past this meant interference to analogue television broadcasts, but with ever more complex devices becoming commonplace in homes it applies to much more
FCC grants temporary waiver to permit higher symbol rate data transmissions for Hurricane Ida traffic
The FCC has granted an ARRL emergency request for a temporary waiver intended to facilitate relief communications in the wake of Hurricane Ida. The waiver was orally granted on Saturday, August 28, and immediately permitted amateur data transmissions related to Hurricane Ida traffic to employ a higher symbol rate for data transmissions than the current limit of 300 baud
Hurricane Watch Net Calls for “All Hands on Deck” on Sunday
As Hurricane Ida moves into the Gulf of Mexico drawing a bead on New Orleans, the Hurricane Watch Net (HWN) is ramping up preparations to track the storm during its approach. “Sunday will be an “all hands on deck” situation for members of the HWN,” HWN Manager Bobby Graves, KB5HAV, said on Friday. The National Hurricane Center (NHC) says a hurricane warning is in effect for Intracoastal City, Lo...
QRP HF Loop Antenna
Antennas/Magnetic Loop
This is an uncommon loop antenna, hombrewed without the small feeding loop. With small spare parts is possible to build a loop antenna tuner for portable usage tha can ben used with common HF QRP transceivers
U.A.E. special event
Members of the Emirates Amateur Radio Society (EARS) will activate special event station A60EXPO between September 1st and October 1st
Austrian special event
Members of the radio club OE3XAS (Austria District Locator [ADL] 305 Tulln-Stockerau) will activate special event station OE130KUK between September 1st and October 30th, to commemorate the 130 year anniversary of the first telegraphy course in the 'Franz Josef-Casern' barracks in Tulln
Switzerland delays FM shutdown
It had been planned for Switzerland to shutdown all FM broadcasters in 2022/3 but it has now been decided to delay until 2024
SARL Next Generation Beacon fund
The crowd funding initiative to collect funds for the SARL Next Generation Beacon programme was initiated by AMSAT SA. The R25 200 collected to date is far from the R60 000 required to finance a beacon in the Karoo and in the Western Cape
The International Amateur Radio Union
The International Amateur Radio Union (IARU) is the worldwide federation of national amateur radio organizations. The membership of the IARU consists of more than 160 member-societies in as many countries and separate territories. It is the peak body for Amateur Radio in the world
News from the IRTS news team
Angus Sealy EI5IIB has joined the team of IRTS (Irish Radio Transmitters Society) radio news readers, and anyone within range of the repeaters of the Limerick and Clare Amateur Radio Club will be able to hear him on the weekly news roster
ICASA public hearing on draft equipment authorisation regulations
SARL News reports on the draft equipment authorisation regulations and the National Frequency Plan
QSO Today - Tony DePrato WA4JQS
Tony DePrato WA4JQS had an early love of radio and a junior high school mentor who helped him get on the air in the early 1960s
ARRL Audio News - August 27, 2021
ARRL Audio News - August 27, 2021
Radio Amateurs Prepare for Potentially Catastrophic Storm this Weekend
The National Weather Service has forecast that Hurricane Ida is expected to be a dangerous major hurricane when it reaches the US Gulf Coast on Sunday. ARRL The National Association for Amateur Radio®, urges radio amateurs in, and just outside of, affected areas to prepare themselves and their property for a potential emergency.
At 1710 UTC on Friday, August 27, messages from the NWS National Hu...
W3OI Radio Club
Lehigh Valley Amateur Radio Club
9 Element Yagi for 144 MHz
Antennas/2M
A portable Yagi antenna for 2 meters band.
Ofcom fines Star China Media Limited for breaking fairness and privacy rules
Ofcom has today fined Star China Media Limited a total of £200,000 for serious breaches of our fairness and privacy rules on its CCTV and CGTN services
Jon Kummer, WA2OJK appointed Media Sales Director of CQ
CQ Communications President Richard Ross, K2MGA, today announced the appointment of Jon Kummer, WA2OJK, as Media Sales Director for CQ Amateur Radio effective immediately
Bonaire Amateur Radio Club formed
As of 2021, there are 9 radio amateurs who actually live permantly on the island and who are also active. Apart from that at least six PJ4-callsigns were issued to amateurs who live outside Bonaire, but who have an address on the island, so the group have decided to start their own radio club
ESA SDR MakerSpace online technical briefing
September 6 sees the start of three free Webex afternoon sessions on the results from an ESA ARTES MakerSpace project that investigated satellite communications and Software Defined Radio (SDR)
Registration Now Open for AMSAT Space Symposium
Huntsville Hamfest Hosts 2021 ARRL Southeastern Division Convention
Three-Way Races for Director Set in New England and Roanoke Divisions
ARRL members in the New England and Roanoke Divisions will choose among three candidates running for Director in each Division. The candidates include two incumbents. Those are the only contested races in this year’s election cycle for Director and Vice Director. In the New England Division, the candidates for Director are the incumbent, Fred Hopengarten, K1VR, of Lincoln, Massachusetts; past N...
7 Element QUAGI for Satelitte Operations
Antennas/Quagi
In order to increase the gain for satellite opeations, working on 144 MHz bands, the author choose the Quagi design, having restriction of 3 meter lenght for the boom. In Italian
Grace and Henri Keep Amateur Radio Weather Spotters Busy
Big Sandy Amateur Radio Club
The Big Sandy Amateur Radio Club, meeting are the 3rd Thursday of every month at the First Baptist Church Fellowship Center in Louisa, Kentucky.
W9SRO The Society Radio Operators
The Society Radio Operators, Chicago Illinois
Antenna Switch
Technical Reference/Antenna Switch
An home made antenna switch with a Dummy Load selector.
If you forget the radio is connected to the open or grounded side of the switch and you try to transmit, it is very easy to damage the finals of your transceiver.
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