Welcome to the “Amateur Radio Weekly” update from Big Island ARRL News.
Views expressed in this Amateur/Ham Radio news summary are those of the reporters and correspondents.
Content provided by “Amateur Radio Weekly-Issue 233.”
Accessed on 16 March 2019, 1745 UTC, Post 899.
Please click link or scroll down to read your selections.
Editor: Cale Mooth (K4HCK).
This includes phone privileges at 3.900 to 4.000 MHz, 7.225 to 7.300 MHz, and 21.350 to 21.450 MHz and RTTY and digital privileges in current Technician allocations on 80, 40, 15, and 10 meters.
Keyless chaos as drivers mysteriously locked out of cars
Authorities are trying to locate the disruptive signal.
Of end-feds and feed-lines
Simulations suggest what feedline lengths to avoid and offer a confirmation why portable users with short feeds never seem to have trouble.
Top ten FT8 advantages for slackers
You have time to visit the restroom without missing any contacts.
All about RF coaxial cable connectors
Many standard connector formats, such as the D-type connectors and many other multiway connectors consist of a series of pins with connections in parallel to each other. RF connectors are typically very different and have some rather different characteristics.
3D printed telegraph
To actually put a key to use, you need a telegraph sounder on the receiving end to “play” the messages.
Hack A Day
Flooded batteries for off grid radio, revisited
Regular maintenance on flooded batteries should be done at least twice a year, or quarterly if your batteries are cycled often.
Off Grid Ham
Pistol crossbow antenna launcher
Generally, the higher you can get an antenna, the better off you will be.
Radio fun: Monitoring ISS answering student questions
The pass was high and mostly to my open south which meant it was one of the longest ARISS contacts I’m monitored.
The SWLing Post
2019 State of the Hobby Survey
This benchmark can help us determine what is working and what is not in the ham radio community. This can involve participation, recruitment, mentoring and licensing. It can also help identify new and emerging trends in amateur radio. Please take a few minutes to complete the survey and share with others in the hobby.
Running two instances of WSJT-X
A demonstration of two instances of WSJT-X, two radios, and two antennas. One computer.
Just a reminder for Hawaii Island radio amateurs:
The Puna Emergency Radio Club needs licensed Hawaii radio amateurs to provide communications support for this Sunday’s (17 March 2019), Big Island International Marathon in Hilo, Hawaii. If you can help, please contact comms coordinator Sean Fendt (KH6SF) at 430-1884.
Alan Maenchen (AD6E/KH6TU) is taking registrations for his April 2019 online CW class. According to Alan, “This is an on-line video chat meeting twice a week for eight weeks for an hour each. Exact days and time could change depending on student availability. Since this is an internet based virtual classroom, no commute is needed. You can do this from home. Technician class hams can participate and practice their skills on their 80, 40, 15, and 10M CW allocations.”
For the latest Amateur/Ham Radio news and information, please check the blog sidebars and links. These news feeds are updated daily and weekly. Thanks for joining us today.
Aloha es 73 de
Russell Roberts (KH6JRM)
Public Information Coordinator
Hawaii County, ARRL Pacific Section