Plumbing finished. Waveguide sections with wr19 and wr28 flanges for 47GHz #hamradio #ghz_bands #millimetric https://t.co/GJjaNg2JFG
![](https://www.eb3frn.net/wp-content/uploads/2017/04/C-kaAhuXYAAzPUZ-624x468.jpg)
Plumbing finished. Waveguide sections with wr19 and wr28 flanges for 47GHz #hamradio #ghz_bands #millimetric https://t.co/GJjaNg2JFG