Episode: Upgrading our Winlink audio with a DRA-36 In this episode we talk about our iterative upgrades to our hybrid Winlink node. You will learn how the node is setup and our decision to move to the DRA-36 audio interface. We also do an extended video on building the DRA-36. Watch on Youtube: https://www.youtube.com/watch?v=KKoPHpwygGk Visit Episode … Read More “Upgrading our Winlink audio with a DRA-36 – HRU S1E5” »
Episode: Just how bad is a QSO Party in a Propagation DROUGHT When propagation is really not good, a QSO Party can be not so fruitful. Watch on Youtube: https://www.youtube.com/watch?v=RMYEoSoYWpA&t=1s Visit Episode Page: http://tech-zen.tv/just-how-bad-is-a-qso-party-in-a-propagation-drought-s1e4/ Main Ham Radio Unlimited Page: /ham-radio-unlimited/
Episode: The Last Hamshack #3 A Mini Series on my last hamshack. This is the final episode. Watch on Youtube: https://www.youtube.com/watch?v=NocwN_ViWlk&t=295s Visit Episode Page: http://tech-zen.tv/the-last-hamshack-3-s1e3/
Episode: The Last Hamshack #2 A Mini Series on my last hamshack. This is episode #2. Watch on Youtube: https://www.youtube.com/watch?v=NocwN_ViWlk Visit Episode Page: http://tech-zen.tv/the-last-hamshack-2-s1e2/
Episode: The Last Hamshack #1 A Mini Series on my last hamshack. This is episode #1. Watch on Youtube: https://www.youtube.com/watch?v=zj5S3n02yfY Visit Episode Page: http://tech-zen.tv/the-last-hamshack-1-s1e1/
This past weekend the repeater controller for the 146.73 repeater in Frederick was swapped out with a new one. Along with the repeater controller there have been some other changes. The old controller was having random audio level issues, particularly with the echolink interface. The new controller has some additional features that hopefully will allow … Read More “New Repeater Controller on 146.73 in Frederick” »
It has been a while since we have talked about AREDN. I updated the AREDN page with some of the latest information about our AREDN network. I had mentioned before about how you could use a Mikrotik hAP ac lite to connect to the network from your home, even if you did not have a … Read More “AREDN: Low cost hardware to get you started” »
We are going to restart our monthly lunch and breakfast meetings!!!…… Today Maryland reached less than 1% positivity rate for the Coronavirus. Things are opening back up safely. Based on a survey done just over a month ago, 46% said they were comfortable meeting at that time at Golden Corral and 27% said they would … Read More “Restarting Monthly Lunch and Breakfast Meetings” »
This past Thursday we finally were able to get a tower climber for the first phase of the repairs on the repeater tower. Below is what we accomplished and what is left to do. There are also some pictures from the work that was done that day. It was a beautiful day as you can … Read More “Gambrill Repeater Site Update” »
Saturday May15th starting around 10 and going for a couple of hours, a small group of amateurs are getting together for a small event that has taken on the name of Modulation Day. Keep an ear out on simplex channels for them trying to make contacts. As part of the contact challenge they will be … Read More “Modulation Day” »
