Those settings indeed look okay to me, and if your gateway ID is swri14, then it was actually connected yesterday.
If the gateway wasn’t receiving LoRaWAN traffic, I would indeed suspect the “wobbly poorly seated card” that @descartes already mentioned in his comment.
Thanks everyone. I tried one last test just to see if it was a WiFi thing. I was trying to run the gateway on an enterprise WiFi network and I thought that maybe there was a chance that, despite being “connected,” traffic across that channel was being blocked. However, it didn’t work on a personal network either. So it really is probably just the gateway.
Ordering an MTCAP gateway and starting afresh. Might find a nice, tall building to throw this current gateway off of…
Thanks again for all the help!
Please recycle responsibly 
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