SC4 Amateur Radio Club

I’ll bring Hummus for a snack dip, and will be around for breakfast.

You can use the search in the top right corner. Change the drop down to ‘posts’, otherwise, it searches members by default.

An alternative is to use a search term like “site:sc4arc.org generator” on google or DuckDuckGo

My attempt at searching posts for generators wasn’t successful, so I recommend the search engine alternative. The also…[Read more]

I found time over the weekend to check the balance on the antenna after tuning.
Here are my measurements:

Band Left Right
20M 16' 0" 15' 6"
40M 30' 1" 33' 5"
80M 62' 3" 62' 2"

Now, for 80M I’m not going to split hairs over an inch at 62′ – its well within measurement error since the antenna and tape were both hanging in the air, and it’s a…[Read more]

We had a successful tuning day! Here are the tuning lengths compared to the model.

80M: modeled: 125.53 ft, actual: 128.5 ft
40M: modeled: 67.0 ft, actual: 67.16 ft
20M: modeled 33.65ft, actual: 33.15 ft

The model was surprisingly close on 20M and 40M. 80M is tricky, because we are so close to the ground, ground and height really matters. I…[Read more]

Who wants to operate CW on Marconi day?

Done.

After re-subscribing, it seems like updates are not being sent for topics that existed before the software upgrade. At least that’s what I’m noticing. You can re-subscribe to individual historical topics to get around this.

Time Correction : The test will be 0900 hours to 1000 hours pacific

I have updated the final report to the library.

This has a summary of who heard who, and a map for each station plotting the results.

2019_sc4arc_simplex_results.pdf

I have raw data if anyone is interested in more analysis. Also, the maps are just snapshots – the live version is more fun but I don’t have an easy way to host them.