Grid KO38 Band Conditions — Helsinki
Localized HF conditions for Maidenhead locator KO38. Coordinating at 58.50°, 27.00°. Updated with real-time telemetry from NOAA and DX cluster reports.
KO38 conditions are FAIR. Best bands: 10m, 20m, 30m, 40m, 60m. SFI: 137.
From Helsinki, work the 01:40 UTC and 18:58 UTC grayline windows: probe 20m, 30m, and 40m in the 15 minutes either side while the terminator crosses KO38.
European evening operation usually shifts toward 20m and 40m once the high bands soften.
This square sits in Western/Central Europe footprint and is best used as a planning center for portable, field-day, and home-station band decisions.
- Latitude zone
- upper mid-latitude
- Local phase
- Darkness
- Aurora exposure
- watch during geomagnetic storms
- Grayline
- 01:40 UTC / 18:58 UTC
- Best high band
- 10m
- Nearest city
- Helsinki
● Local Band Quality Scorings
Use this local score for KO38, then compare the global live ranking oncurrent ham band conditionsbefore changing bands.
● Best DX Windows from KO38 — Helsinki
Great-circle distance, short-path beam heading, the bands most likely open right now from KO38 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 Asia | 3,549 mi | 113° | 40m, 20m, 80m | Open now |
| East Asia / Japan | 4,804 mi | 54° | 40m, 20m, 80m | Open now |
| North America | 4,997 mi | 318° | 10m, 15m, 20m | Open now |
| Southern Africa | 5,839 mi | 181° | 40m, 20m, 80m | Open now |
| South America | 6,922 mi | 258° | 40m, 20m, 80m | Open now |
| Oceania | 9,140 mi | 79° | 40m, 20m, 80m | Open now |
● Band-by-Time Plan for KO38
A planning heuristic for the local day at KO38, built from sunrise 01:40 UTC, sunset 18:58 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 KO38 and the adjacent squares
These are the newest 10m, 15m, and 20m reports where one side of the path sits in KO38, KO39, KO37, KO48, KO28. 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 KO38, start with 10m POOR, 15m POOR, 20m FAIR and keep 20m available as the safest all-around fallback.
Open contest calendarNearby grids
Four adjacent squares for internal path checking
Regional hub links