Grid FG38 Band Conditions — South America
Localized HF conditions for Maidenhead locator FG38. Coordinating at -21.50°, -73.00°. Updated with real-time telemetry from NOAA and DX cluster reports.
FG38 conditions are FAIR. Best bands: 10m, 12m, 15m, 17m, 20m. SFI: 137.
From South America operating area, work the 11:29 UTC and 22:29 UTC grayline windows: probe 20m, 30m, and 40m in the 15 minutes either side while the terminator crosses FG38.
10m is the headline band right now, with 20m as the dependable fallback if conditions soften.
This square sits in South America footprint and is best used as a planning center for portable, field-day, and home-station band decisions.
- Latitude zone
- tropical
- Local phase
- Daylight
- Aurora exposure
- low at this latitude
- Grayline
- 11:29 UTC / 22:29 UTC
- Best high band
- 10m
- Nearest city
- South America operating area
● Local Band Quality Scorings
Use this local score for FG38, then compare the global live ranking oncurrent ham band conditionsbefore changing bands.
● Best DX Windows from FG38 — South America operating area
Great-circle distance, short-path beam heading, the bands most likely open right now from FG38 to each DX region at SFI 137 / Kp 3, and a current verdict. "Open now" means a suitable band is scoring well on that path; "Try ~HH:MM" points at the next far-end grayline. Band picks and status are a planning heuristic, not a measurement.
| Target | Distance | Beam | Bands to try | Status |
|---|---|---|---|---|
| South America | 1,081 mi | 68° | 10m, 15m, 20m | Open now |
| North America | 4,482 mi | 339° | 10m, 15m, 20m | Open now |
| Southern Africa | 6,100 mi | 117° | 40m, 20m, 80m | Open now |
| Europe | 7,047 mi | 41° | 40m, 20m, 80m | Open now |
| Oceania | 7,874 mi | 220° | 10m, 15m, 20m | Open now |
| East Asia / Japan | 10,322 mi | 305° | 10m, 15m, 20m | Open now |
| South Asia | 10,578 mi | 83° | 40m, 20m, 80m | Open now |
● Band-by-Time Plan for FG38
A planning heuristic for the local day at FG38, built from sunrise 11:29 UTC, sunset 22:29 UTC, SFI 137, and Kp 3. Not a measurement — a starting point for where to listen as the day turns.
Grayline enhancement — low bands reach long distances as the terminator passes.
High bands rising with the sun; check 10m for DX.
Peak high-band window — 10m and 15m open widest.
Second grayline peak — 20m holds, then hands off to 40m.
Low bands own the darkness — 40m for DX, 80m regional.
Recent local activity
Spots touching FG38 and the adjacent squares
These are the newest 10m, 15m, and 20m reports where one side of the path sits in FG38, FG39, FG37, FG48, FG28. This gives the page unique, local context instead of a generic solar snapshot.
Top DX targets
Where this grid is reaching right now
Contest preview
Next major contest outlook
Worked All Europe - SSB starts Sat, 12 Sep 2026 00:00:00 GMT. Current forecast from FG38: 10m EXCELLENT, 15m EXCELLENT, 20m GOOD. Current solar conditions (SFI 137, K 3) favor 10m, 15m, 20m for this contest weekend.
Open contest calendarNearby grids