⇒ 
７ＭＨzでも、ほんの１０分位でＣＯＮＤＸが急激に変化し、近距離が聞こえなくなりました。
5/20 JA1WL 7MHz SSB
5/20 JA1BWT 7MHz SSB
5/20 JH2FLY/1 7MHz SSB
5/20 JH1IPA 7MHz SSB
5/20 JA7IMR 7MHz SSB
5/20 JA2JWY 7MHz SSB
5/20 JH4EVH 7MHz SSB
5/20 JE1FID 7MHz SSB
5/20 JA1VNN 7MHz SSB
5/20 JH8MXH 7MHz SSB
5/20 JH1DYE 7MHz SSB
5/20 JI4MMP 7MHz SSB
5/20 JN3DNL 7MHz SSB
5/20 JA2LYK 7MHz SSB
5/20 JR9PCX 7MHz SSB
5/20 JR3FPM/3 7MHz SSB
5/20 JH8DIV 7MHz SSB
5/20 JE3OKZ 7MHz SSB
5/20 JR8RQV 7MHz SSB
5/20 JF3HEI 7MHz SSB
5/20 JA3TSC 7MHz SSB
5/20 JA9BGA 7MHz SSB
5/20 JH4VLV 7MHz SSB
5/20 JA8EOX 7MHz SSB
5/20 JA2QVE 7MHz SSB
5/20 JH4WAZ/4 7MHz SSB
5/20 JK7ESW 7MHz SSB
5/20 JA9WKK 7MHz SSB
5/20 JR3XAD 7MHz SSB
5/20 JF3QWV 7MHz SSB
5/20 JA5CVG 7MHz SSB
5/20 JE8EMJ 7MHz SSB
5/20 JG7WOX 7MHz SSB
5/20 JA5KWI 7MHz SSB
5/20 JL6TWS 7MHz SSB
5/20 JA2DMA/3 7MHz SSB
5/20 JR7BQB 7MHz SSB
5/20 JG2AZS 7MHz SSB
5/20 JH6AQJ 7MHz SSB
5/20 JA7ENI 7MHz SSB
5/20 JH7JRI 7MHz SSB
5/20 JA8TRD 7MHz SSB
5/20 JH5FKN 7MHz SSB
5/20 JA8YEW 7MHz SSB
5/20 JA5BWH 7MHz SSB
5/20 JA8OFW 7MHz SSB
5/20 JR8VAL 7MHz SSB
5/20 JA3CRK 7MHz SSB
5/20 JE3IMZ 7MHz SSB
5/20 JG3NBD 7MHz SSB
5/20 JF6DJA 7MHz SSB
5/20 JI6QJX 7MHz SSB
5/20 JA5VWI 7MHz SSB
5/20 JL3YGO 7MHz SSB
5/20 JA3AIC 7MHz SSB