Researchers reported in Satellite Navigation that regional ionospheric structures in the Asian sector can strongly alter both standard point positioning (SPP) and precise point positioning (PPP).
#Ionospheric longitude structures #SPP
Details: doi.org/10.1186/s43020-026-00191-2
Researchers report a new ionospheric monitoring framework in a study published in Satellite Navigation in 2025.
#Ionospheric dynamics #Geostationary earth orbit (GEO)
Details: doi.org/10.1186/s43020-025-00187-4
Good news - There is a possibility that #wsprd will measure Doppler shift induced Spectral spread to distinguish #HFPropagation modes in a future #WSJTX release #Multihop #Singlehop #Backscatter #Ionospheric ducting #hamradio
Good news - There is a possibility that #wsprd will measure Doppler shift induced spectral Spread to distinguish #HFPropagation modes in a future #WSJTX release #Multihop #Singlehop #Backscatter #Ionospheric ducting #hamradio
Relation between #Ionospheric #TEC Total Electron Content and #MUF Maximum Usable Frequency for a single hop path length of 3000km #Ionsonde #Dourbes and #Julisuruh - showing monthly mean last 12 months #hamradio #HFPropagation #spaceweather #spacewx @DARC_HF_Referat
What causes ionization of the various #ionospheric Layers? #hamradio
Systematically monitoring all the #NCDXF #CW Beacons in a very unique way for almost 2 yrs #grafana #hamradio #KnowYourHFPropagation together with key #Ionospheric indicators and #Spaceweather condx
tinyurl.com/abnbzdau
GiamMa-based researchers SDR R&D IoT: gr-watterson Watterson Channel Model for gnuradio and another for MATLAB #SoftwareDefinedRadio #GnuRadio #MATLAB #Watterson #Channel #Model #HF #Ionospheric #Channel #Models
GiamMa-based researchers SDR R&D IoT: Development of remote HF wave receiver in the backlobe direction of the SuperDARN Hokkaido East radar: Initial observations #USRP #SoftwareDefinedRadio #Radar #Monitor #Ionospheric #HamRadio #HF