Grid PH83 Band Conditions — Australia
Localized HF conditions for Maidenhead locator PH83. Coordinating at -16.50°, 137.00°. Updated with real-time telemetry from NOAA and DX cluster reports.
PH83 conditions are FAIR. Best bands: 10m, 12m, 15m, 17m, 20m. SFI: 137.
From Australia operating area, work the 21:21 UTC and 08:37 UTC grayline windows: probe 20m, 30m, and 40m in the 15 minutes either side while the terminator crosses PH83.
10m is the first place to check for long-haul openings from this region, with 15m close behind.
This square sits in Australia 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
- 21:21 UTC / 08:37 UTC
- Best high band
- 10m
- Nearest city
- Australia operating area
● Local Band Quality Scorings
Use this local score for PH83, then compare the global live ranking oncurrent ham band conditionsbefore changing bands.
● Best DX Windows from PH83 — Australia operating area
Great-circle distance, short-path beam heading, the bands most likely open right now from PH83 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 |
|---|---|---|---|---|
| Oceania | 1,243 mi | 141° | 10m, 15m, 20m | Open now |
| East Asia / Japan | 3,628 mi | 1° | 10m, 15m, 20m | Open now |
| South Asia | 4,797 mi | 302° | 10m, 15m, 20m | Open now |
| Southern Africa | 6,952 mi | 239° | 10m, 15m, 20m | Open now |
| Europe | 8,709 mi | 321° | 10m, 15m, 20m | Open now |
| North America | 8,796 mi | 53° | 40m, 20m, 80m | Open now |
| South America | 10,032 mi | 154° | 40m, 20m, 80m | Open now |
● Band-by-Time Plan for PH83
A planning heuristic for the local day at PH83, built from sunrise 21:21 UTC, sunset 08:37 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 PH83 and the adjacent squares
These are the newest 10m, 15m, and 20m reports where one side of the path sits in PH83, PH84, PH82, PH93, PH73. 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 PH83, start with 10m EXCELLENT, 15m EXCELLENT, 20m GOOD and keep 20m available as the safest all-around fallback.
Open contest calendarNearby grids