On networks, software, sound, and whatever connects them.https://licson.net/enhttps://licson.net/blog/hilltop-radio-scarcity/https://licson.net/blog/hilltop-radio-scarcity/An engineering and geospatial analysis of 39 hilltop station positions and 471 terrain paths across Hong Kong, showing that rural mobile blackspots stem from restricted access to existing radio structures rather than a physical shortage of summits.Wed, 23 Sep 2026 00:00:00 GMTTelecomhttps://licson.net/blog/temp-root-nsg-diag-bridge/https://licson.net/blog/temp-root-nsg-diag-bridge/Enable full Qualcomm DIAG logging in Network Signal Guru on a locked Sony Xperia 1 V using temporary root and a lightweight QRTR bridge.Sat, 19 Sep 2026 00:00:00 GMTSoftwarehttps://licson.net/blog/sandy-ridge-dc-criticism/https://licson.net/blog/sandy-ridge-dc-criticism/A critical analysis of the Sandy Ridge AI computing project, examining sole-bidder risks, severe utility bottlenecks, compute-export economics, and why raw capacity fails to cultivate a domestic technology industry.Thu, 10 Sep 2026 00:00:00 GMTInfrastructurehttps://licson.net/blog/hkix-reform-opinion/https://licson.net/blog/hkix-reform-opinion/An analysis of plateauing traffic growth at HKIX, the compounding costs of local loops and satellite site reseller markups, and why academic facility neutrality no longer aligns with modern peering realities.Wed, 09 Sep 2026 00:00:00 GMTTelecomhttps://licson.net/blog/rural-5g-hong-kong/https://licson.net/blog/rural-5g-hong-kong/A review of nine rural 5G locations, examining existing infrastructure, antenna placement, and field observations alongside revised propagation simulations from Tai Tam.Thu, 27 Aug 2026 00:00:00 GMTTelecomhttps://licson.net/blog/ofca-vss-defects-opinion/https://licson.net/blog/ofca-vss-defects-opinion/An engineering and policy analysis of OFCA's Village Subsidy Scheme, revealing how outdoor manhole demarcations, ODN carve-outs, and extreme NIP fragmentation neutralized third-party GPON FTTH.Wed, 05 Aug 2026 00:00:00 GMTTelecom