ZCZC BA37 271528 UTC APR 26 NORWEGIAN NAV. WARNING 164/2026 CHART 84 AREA YTRE MALANGEN GPS- AND GNSS- SIGNAL INTERFERENCE REPORTED IN AN AREA BOUNDED BY: 69-43.10N 017-26.30E 69-43.10N 018-18.30E 69-29.30N 017-26.30E 69-29.30N 018-18.30E 69-43.10N 017-26.30E RELIABILITY OF GNSS POSITIONING MAY BE AFFECTED. CONSIDER ALTERNATIVE MEANS OF NAVIGATION AND REPORT ANY SIGNAL INTERFERENCE NNNN