TEC variation for DoY 262 of year 2014 from RECF receiver and PRN 24. Left: Light green dots show the TEC estimated from the phase delays (LI) and blue dots show the TEC estimated from the code delays (PI). Right: Red dots correspond to the 5-points running mean TEC estimated from the code delays (PIs). Observe that part of the gap in the LI near the TEC depletion can be recovered.