SWX ADVISORY
DTG: 20240514/1859Z
SWXC: PECASUS
ADVISORY NR: 2024/221
SWX EFFECT: GNSS SEV
OBS SWX: 14/1849Z EQS E060 - E030
FCST SWX 6 HR: 15/0100Z NOT AVBL
FCST SWX 12 HR: 15/0700Z NOT AVBL
FCST SWX 18 HR: 15/1300Z NOT AVBL
FCST SWX 24 HR: 15/1900Z NOT AVBL
RMK: SPACE WEATHER EVENT (IONOSPHERIC
DISTURBANCE) IN PROGRESS. IMPACT ON GNSS PERFORMANCE
POSSIBLY LEADING TO LOSS OF GNSS SIGNALS AND/OR DEGRADATION
OF TIMING AND POSITIONING PERFORMANCE.
NXT ADVISORY: WILL BE ISSUED BY 20240515/0049Z=

SWX ADVISORY
DTG: 20240514/1754Z
SWXC: PECASUS
ADVISORY NR: 2024/149
NR RPLC: 2024/148
SWX EFFECT: HF COM MOD
OBS SWX: 14/1745Z NO SWX EXP
FCST SWX 6 HR: 15/0000Z NOT AVBL
FCST SWX 12 HR: 15/0600Z NOT AVBL
FCST SWX 18 HR: 15/1200Z NOT AVBL
FCST SWX 24 HR: 15/1800Z NOT AVBL
RMK: SPACE WEATHER EVENT (SOLAR FLARE) HAS
ENDED.
NXT ADVISORY: NO FURTHER ADVISORIES=

SWX ADVISORY
DTG: 20240514/1708Z
SWXC: PECASUS
ADVISORY NR: 2024/148
SWX EFFECT: HF COM MOD
OBS SWX: 14/1658Z DAYLIGHT SIDE
FCST SWX 6 HR: 14/2300Z NOT AVBL
FCST SWX 12 HR: 15/0500Z NOT AVBL
FCST SWX 18 HR: 15/1100Z NOT AVBL
FCST SWX 24 HR: 15/1700Z NOT AVBL
RMK: SPACE WEATHER EVENT (SOLAR FLARE) IN
PROGRESS. IMPACT ON LOWER HF COM FREQUENCY BANDS EXPECTED
ON THE DAYLIGHT SIDE. HIGHER FREQUENCY BANDS MAY BE LESS
IMPACTED.
NXT ADVISORY: WILL BE ISSUED BY 20240514/2258Z=

SWX ADVISORY
DTG: 20240514/1344Z
SWXC: PECASUS
ADVISORY NR: 2024/147
NR RPLC: 2024/144
SWX EFFECT: HF COM MOD
OBS SWX: 14/1340Z HNH W180 - E180
FCST SWX 6 HR: 14/2000Z NOT AVBL
FCST SWX 12 HR: 15/0200Z NOT AVBL
FCST SWX 18 HR: 15/0800Z NOT AVBL
FCST SWX 24 HR: 15/1400Z NOT AVBL
RMK: SPACE WEATHER EVENT (HF COM POLAR CAP
ABSORPTION) IN PROGRESS. IMPACT ON LOWER HF COM FREQUENCY
BANDS EXPECTED AT HIGH LATITUDES.
NXT ADVISORY: WILL BE ISSUED BY 20240514/1940Z=

SWX ADVISORY
DTG: 20240514/1330Z
SWXC: PECASUS
ADVISORY NR: 2024/146
NR RPLC: 2024/145
SWX EFFECT: HF COM MOD
OBS SWX: 14/1326Z NO SWX EXP
FCST SWX 6 HR: 14/2000Z NOT AVBL
FCST SWX 12 HR: 15/0200Z NOT AVBL
FCST SWX 18 HR: 15/0800Z NOT AVBL
FCST SWX 24 HR: 15/1400Z NOT AVBL
RMK: SPACE WEATHER EVENT (SOLAR FLARE) HAS
ENDED.
NXT ADVISORY: NO FURTHER ADVISORIES=

SWX ADVISORY
DTG: 20240514/1314Z
SWXC: PECASUS
ADVISORY NR: 2024/145
SWX EFFECT: HF COM MOD
OBS SWX: 14/1309Z DAYLIGHT SIDE
FCST SWX 6 HR: 14/2000Z NOT AVBL
FCST SWX 12 HR: 15/0200Z NOT AVBL
FCST SWX 18 HR: 15/0800Z NOT AVBL
FCST SWX 24 HR: 15/1400Z NOT AVBL
RMK: SPACE WEATHER EVENT (SOLAR FLARE) IN
PROGRESS. IMPACT ON LOWER HF COM FREQUENCY BANDS EXPECTED
ON THE DAYLIGHT SIDE. HIGHER FREQUENCY BANDS MAY BE LESS
IMPACTED.
NXT ADVISORY: WILL BE ISSUED BY 20240514/1909Z=

SWX ADVISORY
DTG: 20240514/0807Z
SWXC: PECASUS
ADVISORY NR: 2024/144
SWX EFFECT: HF COM MOD
OBS SWX: 14/0800Z HNH HSH W180 - E180
FCST SWX 6 HR: 14/1400Z NOT AVBL
FCST SWX 12 HR: 14/2000Z NOT AVBL
FCST SWX 18 HR: 15/0200Z NOT AVBL
FCST SWX 24 HR: 15/0800Z NOT AVBL
RMK: SPACE WEATHER EVENT (HF COM POLAR CAP
ABSORPTION) IN PROGRESS. IMPACT ON LOWER HF COM FREQUENCY
BANDS EXPECTED AT HIGH LATITUDES.
NXT ADVISORY: WILL BE ISSUED BY 20240514/1400Z=

SWX ADVISORY
DTG: 20240514/0232Z
SWXC: ACFJ
ADVISORY NR: 2024/143
NR RPLC: 2024/142
SWX EFFECT: HF COM MOD
OBS SWX: 14/0227Z NO SWX EXP
FCST SWX 6 HR: 14/0900Z NOT AVBL
FCST SWX 12 HR: 14/1500Z NOT AVBL
FCST SWX 18 HR: 14/2100Z NOT AVBL
FCST SWX 24 HR: 15/0300Z NOT AVBL
RMK: EVENT UPDATE. END OF HF COM (SOLAR FLARE) EVENT.
NXT ADVISORY: NO FURTHER ADVISORIES =

SWX ADVISORY
DTG: 20240514/0213Z
SWXC: ACFJ
ADVISORY NR: 2024/142
SWX EFFECT: HF COM MOD
OBS SWX: 14/0208Z DAYLIGHT SIDE
FCST SWX 6 HR: 14/0900Z NOT AVBL
FCST SWX 12 HR: 14/1500Z NOT AVBL
FCST SWX 18 HR: 14/2100Z NOT AVBL
FCST SWX 24 HR: 15/0300Z NOT AVBL
RMK: SWX EVENT (SOLAR FLARE) INPR IMPACTING LOWER HF
COM FREQ BAND ON THE DAYLIGHT SIDE. FURTHER
PERIODIC LOSS OF HF COM ON THE DAYSIDE EXPECTED.
HIGHER FREQ MAY BE LESS IMPACTED.
NXT ADVISORY: WILL BE ISSUED BY 20240514/0813Z=

SWX ADVISORY
DTG: 20240513/1512Z
SWXC: ACFJ
ADVISORY NR: 2024/141
NR RPLC: 2024/140
SWX EFFECT: HF COM MOD
OBS SWX: 13/1502Z NO SWX EXP
FCST SWX 6 HR: 13/2200Z NO SWX EXP
FCST SWX 12 HR: 14/0400Z NO SWX EXP
FCST SWX 18 HR: 14/1000Z NO SWX EXP
FCST SWX 24 HR: 14/1600Z NO SWX EXP
RMK: EVENT UPDATE. END OF HF COM (MAX USABLE FREQ
DEPRESSION) EVENT
NXT ADVISORY: NO FURTHER ADVISORIES =

SWX ADVISORY
DTG: 20240513/1303Z
SWXC: ACFJ
ADVISORY NR: 2024/140
SWX EFFECT: HF COM MOD
OBS SWX: 13/1252Z HNH MNH E000 - E090
FCST SWX 6 HR: 13/1900Z NO SWX EXP
FCST SWX 12 HR: 14/0100Z NO SWX EXP
FCST SWX 18 HR: 14/0700Z NO SWX EXP
FCST SWX 24 HR: 14/1300Z NO SWX EXP
RMK: SWX EVENT (MAX USABLE FREQ DEPRESSION) INPR ON HYR
HF COM FREQS. ISOL AREAS OF SEV HF COM DEPRESSION
POSS.
NXT ADVISORY: WILL BE ISSUED BY 20240513/1900Z=

SWX ADVISORY
DTG: 20240513/1013Z
SWXC: ACFJ
ADVISORY NR: 2024/139
NR RPLC: 2024/138
SWX EFFECT: HF COM MOD
OBS SWX: 13/1002Z NO SWX EXP
FCST SWX 6 HR: 13/1700Z NO SWX EXP
FCST SWX 12 HR: 13/2300Z NO SWX EXP
FCST SWX 18 HR: 14/0500Z NO SWX EXP
FCST SWX 24 HR: 14/1100Z NO SWX EXP
RMK: EVENT UPDATE. END OF HF COM (MAX USABLE FREQ
DEPRESSION) EVENT
NXT ADVISORY: NO FURTHER ADVISORIES =