APMSS DASHBOARD REFRESH
2026-06-26 20:37:06 UTC

APMSS RF GLOBAL MUF MATRIX

Fresh ionosonde network read: regional MUF3000 / foF2 support for HF operations
GLOBAL MUF NETWORK READY
Fresh stations
26
Total valid
96
Global MUF max
36.7 MHz
Global MUF median
20.62 MHz
Freshness gate
<= 360 min
Operator read
Fresh global MUF network is live. Highest regional median MUF is S America at 26.7 MHz. 20m has regional support in 7 region(s), 15m in 3 region(s), 10m in 1 region(s). Use this as the ionosphere ceiling layer and confirm actual openings with WSPR/RBN/spot evidence.
Usable HF frequency windows now
Band-plan windows below/near the measured MUF ceiling. MUF support is not a guaranteed contact; confirm openings with WSPR/RBN/spot evidence.
80m
3.500-3.800 MHz
GLOBAL
7/7 regions
40m
7.000-7.200 MHz
GLOBAL
7/7 regions
30m
10.100-10.150 MHz
GLOBAL
7/7 regions
20m
14.000-14.350 MHz
GLOBAL
7/7 regions
17m
18.068-18.168 MHz
REGIONAL
6/7 regions
15m
21.000-21.450 MHz
LIMITED
3/7 regions
12m
24.890-24.990 MHz
LIMITED
1/7 regions
10m
28.000-29.700 MHz
LIMITED
1/7 regions
Region Fresh stns MUF min/median/max MHz Median strength 80m40m30m20m17m15m12m10m
S America 4 22.8 / 26.7 / 31.5
80m 100%40m 100%30m 100%20m 100%17m 100%15m 100%12m 75%10m 50%
Other / Oceanic 4 22.6 / 24.0 / 36.7
80m 100%40m 100%30m 100%20m 100%17m 100%15m 100%12m 25%10m 25%
E Europe / Scandinavia 3 18.3 / 20.5 / 20.7
80m 100%40m 100%30m 100%20m 100%17m 100%15m 0%12m 0%10m 0%
N America 3 17.7 / 20.0 / 21.7
80m 100%40m 100%30m 100%20m 100%17m 67%15m 33%12m 0%10m 0%
Africa 4 10.7 / 17.9 / 27.0
80m 100%40m 100%30m 100%20m 50%17m 50%15m 50%12m 25%10m 0%
UK / W Europe 2 14.1 / 16.5 / 18.8
80m 100%40m 100%30m 100%20m 100%17m 50%15m 0%12m 0%10m 0%
Oceania 6 6.9 / 13.5 / 24.0
80m 100%40m 83%30m 83%20m 50%17m 33%15m 17%12m 0%10m 0%
Top fresh MUF stations
ND61R / NIUE ISLAND
36.7 MHz
Other / Oceanic | age 27.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m, 12m, 10m
CAJ2M / CACHOEIRA PAULISTA, BRAZIL
31.5 MHz
S America | age 107.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m, 12m, 10m
TUJ2O / TUCUMAN, ARGENTINA TUJ2O
28.5 MHz
S America | age 17.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m, 12m, 10m
AT138 / ATHENS, GREECE
27.0 MHz
Africa | age 7.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m, 12m
BVJ03 / BOA VISTA, BRAZIL
24.9 MHz
S America | age 47.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m, 12m
RM041 / ROME, ITALY
24.1 MHz
Other / Oceanic | age 22.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m
NI63_ / NORFOLK, AUSTRALIA
24.0 MHz
Oceania | age 32.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m
EB040 / ROQUETES, SPAIN
23.9 MHz
Other / Oceanic | age 7.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m
GM037 / GIBILMANNA, ITALY
23.1 MHz
Africa | age 82.1 min
Bands: 80m, 40m, 30m, 20m, 17m, 15m
Interpretation discipline
MUF3000 shows the regional F2-layer ceiling for approximately 3000 km path support. It does not prove a contact path is open. Promote bands only where this layer agrees with live WSPR/RBN/spot evidence.
Source: KC2G station feed carrying ionosonde-derived station data. APMSS classifies this as propagation intelligence, not operating authority.