With this information, I can help you figure out what your UL means for your relationships.
We tested the calculator against known examples: Upapada Lagna Calculator
Crux of Jaimini Astrology Author: B. V. Raman (Dr. B. V. Raman) Publisher: IBH Prakashana Key chapter: "Upapada Lagna – its significance & computation" Note: Raman was a respected 20th‑century astrologer; his method is standard in Indian astrology circles. Understanding Upapada Lagna: A Comprehensive Guide to the