compare earth oriented pols.

[aewallwi]

Closes #205

[codecov]

Codecov Report

Merging #206 (328a365) into main (15e35fe) will decrease coverage by 0.13%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main     #206      +/-   ##
==========================================
- Coverage   96.48%   96.35%   -0.14%     
==========================================
  Files          24       24              
  Lines        2792     2800       +8     
==========================================
+ Hits         2694     2698       +4     
- Misses         98      102       +4     

Impacted Files	Coverage Δ
hera_sim/visibilities/vis_cpu.py	90.97% <50.00%> (-2.42%)	⬇️

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[steven-murray]

Thank you @aewallwi. I do believe this is correct (though it always hurts my brain to think about the polarizations/feeds between uvbeam and uvdata).

Before approving, I'd like to see a short update to the changelog, and if possible, a test that would have failed previously.