Back to PE1RKI.Ģ016-May-16, wk.20 11:00 updated Airspy to f/w 1.7, and airspy_adsb to v1.16Ģ016-Jul-17, wk.28 16:10 UTC, Updated airspy_adsb to v1.17Ģ016-Aug-07, wk.31 17:05 UTC, Replaced T-piece with Chinese 1-3 GHz splitterĢ016-Aug-13, wk.32 11:20 UTC, Changed scales from 500 to 600 maximumĢ017-Aug-17, wk.33 13:30 UTC, PC Kiruna changed to nanoADS-B with DC blockĢ020-May-02, wk.18 05:10 UTC, Replaced nanoADSB with Airspy R2, airspy_adsb v1.85, on RasPi-12Ģ020-Aug-12, wk.33 06:00 UTC, Moved Beast RX from PC Alta to PC Penguin, kept Alta's historyĢ020-Aug-12, wk.33 09:20 UTC, Changed Alta to take feed from RasPi-12, doubles CPU or I/O load?Ģ021-Jul-26, wk.31 14:00 UTC, replaced outdoor antenna with loft Yagi, thunderstorm riskĢ021-Jul-30, wk.31 06:00 UTC, restored outdoor antennaĢ021-Aug-05, wk.32 07:30 UTC, replaced outdoor antenna with loft Yagi, thunderstorm riskĢ021-Aug-09, wk.33 06:00 UTC, restored outdoor antennaĢ021-Aug-09, wk.33 13:10 UTC, replaced outdoor antenna with loft Yagi, thunderstorm riskĢ021-Aug-11, wk.33 09:00 UTC, restored outdoor antennaĢ021-Aug-31, wk.36 07:00 UTC, replaced Chinese 2-way splitter with 4-way, ~3 dB more loss after the pre-ampĢ021-Sep-09, wk.37 03:45 UTC, replaced outdoor antenna with split loft Yagi, thunderstorm riskĢ021-Sep-11, wk.37 03:40 UTC, restored outdoor antenna

with SAW filter.Ģ016-Apr-14, wk.15 06:00 replaced PE1RKI filter with JetVision one until 08:30. Outside gain vertical (since 2016-Mar-15)Ĭavity filter, HAB/Uputronics pre-amp.

Yagi antenna in the loft pointed at Edinburgh Airport ~11 km away.Ģ020-Mar-14, wk.11 08:05 UTC, Updated airspy-adsb from v1.57 to v.185Ģ021-Feb-07, wk 06 06:30 UTC, Added filtered pre-amp between antenna feed and 4-way splitterĢ021-Jun-30, wk 27 14:00 UTC, Add PC Drammen, prepare for PC Ystad retirement, possibly Bergen & Torvik too!Ģ021-Jul-11, wk 28, 09:00 UTC, Added RasPi-25 (Pi4) with Airspy R2, feeding PC DrammenĢ021-Aug-10, wk 33, 00:00 UTC, Retired client PC Torvik.Ģ021-Aug-13, wk 33, 09:00 UTC, Re-arrangement of feeds, restart data collection.Ģ021-Sep-02, wk 36, 12:00 UTC, Add RasPi-21 with FlightAware feedĢ021-Sep-05, wk 36, 07:00 UTC, Add FR24 and, later, PlaneFinder feed to RasPi-21 ADS-B: RTL, Beast and Airspy receivers informal comparison Alta

Planeplotter antenna