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SFI --K ---:-- UTC

Propagation Forecast: United Kingdom to USA

Real-time HF band conditions analysis for the path between United Kingdom and USA. Calculated based on current Solar Flux Index (SFI: 137) and Geomagnetic Activity (Kp: 2).

Live Data
Distance
4,454 mi
Bearing
303° deg
Path Type
Short path
Local Time
Night at center

● Recommended Bands for This Path

10m
10m Band
28.0 MHz
FAIR
15m
15m Band
21.0 MHz
FAIR
20m
20m Band
14.0 MHz
GOOD
40m
40m Band
7.0 MHz
EXCELLENT
80m
80m Band
3.5 MHz
GOOD
Related:← Reverse Path20m ConditionsUnited Kingdom Radar
Band advisor

What Band Should I Use Right Now?

Daily forecast

Best Time to Operate Today

EM15 • UTC view
10m: marginal all day
15m: marginal all day
20m: marginal all day
40m: marginal all day
80m: marginal all day
Band
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
10m
15m
20m
40m
80m
This interactive map shows propagation layers for the selected band, including optional DX spot markers, a propagation heatmap overlay, grayline (day/night terminator), and an amateur radio Maidenhead grid.
10m Tactical View (MapLibre)
Live Data
Loading conditions…
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SFI
-
K-Index
--
SSN
Push Alerts
Grayline
Calculating window
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Target
--:--
Local time
Shack display mode
This interactive map shows propagation layers for the selected band, including optional DX spot markers, a propagation heatmap overlay, grayline (day/night terminator), and an amateur radio Maidenhead grid.
10m Tactical View (MapLibre)
Heatmap
Clusters
H: 60%C: 50px
Station QTH
DEFAULT
Maidenhead Grid
EM15
LAT: 38.00°LON: -97.00°

Band Conditions

SFI context/What SFI means/Solar Cycle 25 tracker
160m
1.8 MHz
FAIR
80m
3.5 MHz
FAIR
60m
5.3 MHz
FAIR
40m
7 MHz
FAIR
30m(W)
10.1 MHz
FAIR
20m
14 MHz
FAIR
17m(W)
18.1 MHz
FAIR
15m
21 MHz
FAIR
12m(W)
24.9 MHz
FAIR
10m
28 MHz
FAIR
6m
50 MHz
FAIR