What grid square is Lisbon?

IM47 is the live DXRadar reference square for Lisbon. The exact portable or home QTH may vary within the square, but this page tracks the center of IM47 for planning propagation.

How do I find my grid square?

Use a Maidenhead grid lookup from your GPS coordinates or street address, then compare that grid with the nearby squares linked on this page. A 4-character grid is enough for most HF planning.

What bands are open in IM47 right now?

IM47 is currently rated GOOD. The best bands right now are 10m, 12m, 15m, 17m, 20m, with 10m as the main band to watch first.

HomeSFI --K ---:-- UTC

Grid IM47 Band Conditions — Lisbon

Localized HF conditions for Maidenhead locator IM47. Coordinating at 37.50°, -11.00°. Updated with real-time telemetry from NOAA and DX cluster reports.

IM47 conditions are GOOD. Best bands: 10m, 12m, 15m, 17m, 20m. SFI: 137.

Regional Radar

SFI

137

K-Index

2 Kp

Center Coords

37.5, -11.0

Local Phase

Daylight

Grayline window

Sunrise 05:40 UTC

Sunset 20:02 UTC from IM47

From Lisbon, work the 05:40 UTC and 20:02 UTC grayline windows: probe 20m, 30m, and 40m in the 15 minutes either side while the terminator crosses IM47.

Best band now

10m

10m is the headline band right now, with 20m as the dependable fallback if conditions soften.

Closest operating hub

Lisbon

This square sits in a mixed-region 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: 05:40 UTC / 20:02 UTC
Best high band: 10m
Nearest city: Lisbon

● Local Band Quality Scorings

Use this local score for IM47, then compare the global live ranking oncurrent ham band conditionsbefore changing bands.

10m

EXCELLENT

15m

EXCELLENT

20m

GOOD

40m

POOR

80m

POOR

● Best DX Windows from IM47 — Lisbon

Great-circle distance, short-path beam heading, the bands most likely open right now from IM47 to each DX region at SFI 137 / Kp 2, 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
Europe	1,350 mi	44°	10m, 15m, 20m	Open now
North America	4,523 mi	301°	10m, 15m, 20m	Open now
South America	4,739 mi	229°	10m, 15m, 20m	Open now
Southern Africa	5,001 mi	145°	10m, 15m, 20m	Open now
South Asia	5,255 mi	73°	40m, 20m, 80m	Open now
East Asia / Japan	6,985 mi	25°	40m, 20m, 80m	Open now
Oceania	11,232 mi	70°	40m, 20m, 80m	Open now

● Band-by-Time Plan for IM47

A planning heuristic for the local day at IM47, built from sunrise 05:40 UTC, sunset 20:02 UTC, SFI 137, and Kp 2. Not a measurement — a starting point for where to listen as the day turns.

Dawn grayline

around 05:40 UTC

40m · 30m · 20m

Grayline enhancement — low bands reach long distances as the terminator passes.

Morning

after 05:40 UTC

20m · 15m · 10m

High bands rising with the sun; check 10m for DX.

Midday

local noon

10m · 15m · 20m

Peak high-band window — 10m and 15m open widest.

Dusk grayline

around 20:02 UTC

20m · 40m

Second grayline peak — 20m holds, then hands off to 40m.

Night

after 20:02 UTC

40m · 80m

Low bands own the darkness — 40m for DX, 80m regional.

Recent local activity

Spots touching IM47 and the adjacent squares

These are the newest 10m, 15m, and 20m reports where one side of the path sits in IM47, IM48, IM46, IM57, IM37. This gives the page unique, local context instead of a generic solar snapshot.

No fresh PSKReporter paths are cached for the immediate IM47 footprint right now. That usually means you should widen the search to the nearest regional hubs below or fall back to 20m/40m for the next operating window.

Top DX targets

Where this grid is reaching right now

No outbound targets were strong enough to rank from the current cache. Check back after the next PSKReporter refresh or switch to the regional grids below.

Contest preview

Next major contest outlook

No contest event is currently loaded. For planning from IM47, start with 10m EXCELLENT, 15m EXCELLENT, 20m GOOD and keep 20m available as the safest all-around fallback.

Open contest calendar

Nearby grids