Grid FF53 Band Conditions — South America
Localized HF conditions for Maidenhead locator FF53. Coordinating at -36.50°, -69.00°. Updated with real-time telemetry from NOAA and DX cluster reports.
FF53 conditions are FAIR. Best bands: 10m, 12m, 15m, 17m, 20m. SFI: 137.
From South America operating area, work the 11:43 UTC and 21:43 UTC grayline windows: probe 20m, 30m, and 40m in the 15 minutes either side while the terminator crosses FF53.
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
- mid-latitude
- Local phase
- Daylight
- Aurora exposure
- low at this latitude
- Grayline
- 11:43 UTC / 21:43 UTC
- Best high band
- 10m
- Nearest city
- South America operating area
● Local Band Quality Scorings
Use this local score for FF53, then compare the global live ranking oncurrent ham band conditionsbefore changing bands.
● Best DX Windows from FF53 — South America operating area
Great-circle distance, short-path beam heading, the bands most likely open right now from FF53 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 | 1,633 mi | 27° | 40m, 80m, 20m | Open now |
| Southern Africa | 5,430 mi | 114° | 40m, 20m, 80m | Open now |
| North America | 5,534 mi | 338° | 10m, 15m, 20m | Open now |
| Oceania | 7,193 mi | 214° | 10m, 15m, 20m | Open now |
| Europe | 7,664 mi | 42° | 40m, 20m, 80m | Open now |
| South Asia | 10,225 mi | 108° | 40m, 20m, 80m | Open now |
| East Asia / Japan | 10,937 mi | 277° | 10m, 15m, 20m | Open now |
● Band-by-Time Plan for FF53
A planning heuristic for the local day at FF53, built from sunrise 11:43 UTC, sunset 21:43 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 FF53 and the adjacent squares
These are the newest 10m, 15m, and 20m reports where one side of the path sits in FF53, FF54, FF52, FF63, FF43. 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
No contest event is currently loaded. For planning from FF53, start with 10m EXCELLENT, 15m EXCELLENT, 20m GOOD and keep 20m available as the safest all-around fallback.
Open contest calendarNearby grids