WordPress 5.0 has recently been released and it is now in use on n1fd.org. WordPress 5.0 brings a new content creation editor to WordPress. You may have seen the new editor referred to as Gutenberg on the Internet. Here’s a link to an overview of the new editor.
The new editor makes all of the rich formatting of text and graphics that modern websites can provide much easier to use when creating content. It does this via a concept called Blocks. The new editor creates posts using a series of Blocks.
Gutenberg Blocks
Blocks are uniquely formatted components of posts such as articles on our Blog. Black can be formatted as text, headings, images, lists, and multimedia elements. You create the content for a post using a series of Blocks. This article uses Paragraph Blocks for text and Image Blocks for pictures.
Gutenberg Document Sidebar
Most all of the functionality of the old editor is available in Gutenberg. For example, sidebar tabs for both Block options and the familiar Document options are available in tabs on the right sidebar in Gutenberg.
It is easy to get started with the new editor. Here’s a link to an article on how to begin.
Selecting The Gutenberg Editor
For now, n1fd.org will continue to use the Classic Editor as the default for new posts. You can try out Gutenberg by clicking on the Block Editor choice for your post. This option can be found in the Posts section of the backend of n1fd.org. We will probably change over to the new editor as the default for new posts sometime during the next few weeks. In the interim, I hope you’ll give the new editor a try.
We have just received word from our ARISS Mentor, Dave Jordan, AA4KN – Our ISS Crew Contact will take place on Friday, December 7th at approximately 1:45 pm EST. Activities on-site will begin with some videos and station tours before the contact.
Serena Aunon-Chancellor – NASA Astronaut
We will be using the Nashua Area Radio Society callsign, N1FD, for our contact with NA1SS. We believe that our contact will be with Serena Aunon-Chancellor, KG5TMT. We are all very, very excited to hear the news!
Prioritized ISS Passes for our Crew Contact
This date/time was our second choice and the ISS will be on a good pass reaching a maximum elevation of 48 degrees at Time of Closest Approach (TCA). Our contact with the ISS will last about 10 minutes.
We are just awaiting notification of the final date and time for our contact and we’ll begin final setup and testing at HMS.
We’ve been sharing our progress as we’ve on the Nashua Area Radio Society’s Youth Forum as we have worked through our final preparations. I also would like to share a summary here along with some insights on what we’ve learned along the way.
An ISS Crew Contact is No Small Undertaking …
ISS Antenna System Test
We have been working for almost a year now to get ready for our contact. We’ve built and tested two space ground stations and we’ve discovered and addressed several performance and reliability issues with these stations during trial deployments at Field Day, Ham Fests, License Classes, and during testing here at our QTH.
Leading the ARISS Crew Contact Application Process for our contact
Integration of Radio Space Science concepts into their student curriculum
A Skype contact with a NASA Engineer
Visiting the Boston Museum of Science special exhibit on Space and the International Space Station
A High Altitude Balloon Project with the Nashua Area Radio Society to learn about Atmospheric Science and Space Communications
Space-related student projects including building rovers, participating in an egg drop, and having their pre-engineering program students work on solutions for the ISS
Holding a Field Astronomy and STEM night for students and building Amateur Radio into the school’s annual STEM Nights
Audio-Visual Elements are Important and as Challenging as the Ground Station Equipment…
Sound System Mixer
We planned from the very start to provide a shared, multimedia experience as part of our contact. Our plans included:
Providing a professional-quality audio and video experience for the students, parents, and faculty members at HMS during our contact
Creating a high-quality Video Capture of our Contact
Dave, K1DLM who is a member of NARS had extensive professional sound experience and was able to help us with this part of our project.
Audio System for ISS Contact
Dave put together a professional-level A-V system design to support our contact and provided much of the gear to realize the design. His uses a pair of communications microphones, a pro-mixer, and audio interface gear to provide student and radio audio to the sound system in the auditorium at HMS as well as to an array of video cameras. The system makes extensive use of XLR cabling and pro-level devices to ensure clean audio.
Video Presence on the Internet is an Important Element to Draw Interest in a Project Such as Ours…
We Live Streamed some of our Station Testing activities to Facebook and we were amazed at the interest and response that we received. Many folks worldwide followed our progress on Facebook in real-time as we set up and completed our full station test.
ISS Antenna Camera Test
We are planning to have two IP Video Cameras Live Streaming to Facebook during our contact. One in the room to provide video of the students as they talk with the astronaut on the ISS and a second on our antennas as they track the ISS.
Its Critically Important to Test the Complete Station Ahead Of Time – New Challenges Emerged when we Mixed Audio and Radio Gear…
Full Station Setup and Test
We set up the full station (Primary and Backup) along with all of the Audio and Video Gear about 3 weeks prior to our contact for a complete system test. We learned a great deal in doing this and we encountered several problems which we have since corrected.
On-Air Station Test
The most important issues did not show themselves until we made some contacts with all of the A-V gear in place. We had problems with RF aggravated ground loops in the radio microphone circuits during the initial test. These problems did not show themselves until we added the audio mixer and sound system into the station.
Audio Isolation Transformer
These problems were easily corrected by adding Audio Isolation Transformers into the radio microphone circuits.
XLR Line to Microphone Level Attenuator
We also solved some potential issues related to level differences between line and microphone audio circuits using Audio Attenuators.
These problems were not difficult to solve but they would have seriously degraded our contact if we had not discovered them early while there was still plenty of time to secure parts and retest.
Data Networks in Schools and Public Places Require Configuration Adjustments to Support Contact Elements…
Data Network Test at HMS
Schools and other public places typically do a good job of protecting their data networks and users from threats from both the Internet and within the venue. Tracking Programs, IP Cameras for Live Streaming, and other contact support gear are not typical devices that would be in operation on such networks. Also, many public venues rely almost exclusively on WiFi for access to the Internet and typically prohibit or severely limit client devices from communicating with each other.
WiFi can often suffer from RF interference issues when many devices like Smart Phones are located together in a small area. This situation is common in large gatherings.
Data System for ISS Contact
We had quite a bit of experience with these problems as part of other school projects we’ve done. Our approach is to use a wired network with a local Ethernet switch for communications between the elements in our stations.
The HMS IT team at configured their network to fix the IP addresses of our devices. They also adjust their firewall rules so that our devices have the required access to the Internet. The IP cameras where the most challenging elements here.
Packed and Ready to Go…
Equipment Packing and Protection
Well, all of our gear is packed and ready to go for setup on-site at HMS. The next article in this series will cover the on-site set up for our contact.
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