Grid DN01 Band Conditions — USA
Localized HF conditions for Maidenhead locator DN01. Coordinating at 41.50°, -119.00°. Updated with real-time telemetry from NOAA and DX cluster reports.
DN01 conditions are FAIR. Best bands: 10m, 12m, 15m, 17m, 20m. SFI: 137.
From USA operating area, work the 12:41 UTC and 03:25 UTC grayline windows: probe 20m, 30m, and 40m in the 15 minutes either side while the terminator crosses DN01.
10m and 20m are the main daytime rate bands from this part of North America. Watch 10m first if SFI stays elevated.
This square sits in USA 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
- 12:41 UTC / 03:25 UTC
- Best high band
- 10m
- Nearest city
- USA operating area
● Local Band Quality Scorings
Use this local score for DN01, then compare the global live ranking oncurrent ham band conditionsbefore changing bands.
● Best DX Windows from DN01 — USA operating area
Great-circle distance, short-path beam heading, the bands most likely open right now from DN01 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 |
|---|---|---|---|---|
| North America | 1,118 mi | 92° | 10m, 15m, 20m | Open now |
| East Asia / Japan | 5,205 mi | 305° | 10m, 15m, 20m | Open now |
| Europe | 5,403 mi | 31° | 40m, 20m, 80m | Open now |
| South America | 5,505 mi | 121° | 10m, 15m, 20m | Open now |
| Oceania | 7,603 mi | 247° | 10m, 15m, 20m | Open now |
| South Asia | 7,916 mi | 343° | 10m, 15m, 20m | Open now |
| Southern Africa | 10,180 mi | 73° | 40m, 20m, 80m | Open now |
● Band-by-Time Plan for DN01
A planning heuristic for the local day at DN01, built from sunrise 12:41 UTC, sunset 03:25 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 DN01 and the adjacent squares
These are the newest 10m, 15m, and 20m reports where one side of the path sits in DN01, DN02, DN00, DN11, CN91. 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 DN01, start with 10m EXCELLENT, 15m EXCELLENT, 20m GOOD and keep 20m available as the safest all-around fallback.
Open contest calendarNearby grids