With the construction of our portable satellite station 3.0 complete, we’ve been looking forward to an opportunity to test the new setup. We chose the Nashua Area Radio Society’s recent…
Our next generation portable satellite station is complete and we tested it during our recent Tech License Class. We discovered a minor issue which was easily sorted out. The new antenna system includes switchable circular polarity and has performed really performs well during the first 50 or so contacts made using the 3.0 station. You can read more about the new station and the initial tests via the link above.
The March Tech Night (March 13, 2018) will have an introduction to antenna modeling by me, Scott, NE1RD. I’ll begin by going through some antenna theory and then proceed on to the NEC-2 software and its popular front ends EZNEC and CocoaNEC. (Both the evaluation/demo version of EZNEC, and the Macintosh-based CocoaNEC are free.) LINUX users should consider getting Andy (KB1OIQ) Stewart’s Andy’s Ham Radio Linux suite. The main concepts you’ll learn will apply equally well to any of these programs.
Please download the antenna modeling software for your platform, and download the slides for this presentation from the Tech Night web page. The slides have a lot of detail on them, and it will be much easier to see the subtleties on your own screen.
So, bring your laptop with software and slides, and we’ll have you modeling antennas by the end of the evening. See you there!
The video above is a capture of the school’s contact. It was very easy to receive the ISS downlink on our portable backup ground station. I heard the downlink a few seconds before the ISS came up on the horizon and the audio was solid for the duration of the contact. We can only hear the astronaut’s side of the contact as we cannot receive the school’s uplink from Raleigh, NC. The ISS pass began here in New Hampshire part way through the school’s session so we did not hear the first few questions.
Update on Portable ISS/Sat Station 3.0
Portable ISS/Sat Station 3.0 Antenna System
Work on our upgraded primary Portable 3.0 Station which includes a larger antenna system using switchable circular polarity is progressing well. The portable tower, upgraded rotator system, and the new, larger 2m and 70cm circularly polarized antennas are complete. We are just waiting for a few additional components to arrive here and the upgraded portable ground station should be ready for its first test at our Technician License Class later this month.
More on Today’s ISS Crew Contact
You can see a live stream of the ISS Contact from the school above. There is a great deal of planning which goes into an ISS Crew Contact such as this. We are working closely with Hudson Memorial School on their project and their school is also beginning a High-Altitude Balloon Project with us in a few weeks.
The ISS Crew Contact today was exciting to listen too and we are looking forward to being able to share this experience with Hudson Memorial School in the near future.
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