Romeo phonetic supports search-and-rescue voice nets spelling identifiers with R, while CW uses .-. heavily in English roots like run and red. Medial R hides between stronger letters; copy full word rhythm before isolating R to avoid writing A instead of R when closing dot fades. ARRL practice tapes with W1AW include R-rich English at multiple speeds; schedule weekly listen-only sessions. Compare R with L and F in triad drills because all four contain three dots and one dash with permuted order. Wikipedia timing diagrams clarify dot-dash-dot structure without replacing on-air practice.
If R becomes N during send, slow dash after first dot until closing dot returns reliably. Historical financial telegraph traffic archived in libraries includes R in ticker abbreviations copied at high speed by professional operators.