ADS-B: antenna and receiver comparisons
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Yagi antenna in the loft pointed at Edinburgh Airport ~11 km away.
2020-Mar-14, wk.11, 08:05 UTC, Updated airspy-adsb from v1.57 to v.185
2021-Feb-07, wk.06, 06:30 UTC, Added filtered pre-amp between antenna feed and 4-way splitter
2021-Jun-30, wk.27, 14:00 UTC, Add PC Drammen, prepare for PC Ystad retirement, possibly Bergen & Torvik too!
2021-Jul-11, wk.28, 09:00 UTC, Added RasPi-25 (Pi4) with Airspy R2, feeding PC Drammen
2021-Aug-10, wk.33, 00:00 UTC, Retired client PC Torvik.
2021-Aug-13, wk.33, 09:00 UTC, Re-arrangement of feeds, restart data collection.
2021-Sep-02, wk.36, 12:00 UTC, Add RasPi-21 with FlightAware feed
2021-Sep-05, wk.36, 07:00 UTC, Add FR24 and, later, PlaneFinder feed to RasPi-21
2022-Apr-02, wk.14, 06:30 UTC, Moved RasPi-21 from loft Yagi to outdoor antenna
2023-Jan-23, wk.05, 06:30 UTC, Replaced RasPi-7 with RasPi-9
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RasPi-10/Airspy Mini receiver Clients - PC Ystad Wi-Fi connected
Maximum range (km) Message rate (msgs/sec)
FlightAware stats from RPi-10
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RasPi-25/Airspy R2 receiver Clients - PC Drammen LAN connected
Maximum range (km) Message rate (msgs/sec)
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RasPi-9/RTL-SDR.COM receiver Clients - PC Stamsund RPi-24 Wi-Fi connected
Maximum range (km) Message rate (msgs/sec) FlightAware stats from RPi-9
FlightRadar24 stats from RPi-9
Plane Finder stats from RPi-9
PlanePlotter share Ym
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Outside gain vertical (since 2016-Mar-15) Cavity filter, HAB/Uputronics pre-amp. with SAW filter.
2016-Apr-14, wk.15, 06:00 replaced PE1RKI filter with JetVision one until 08:30. Much worse. Back to PE1RKI.
2016-May-16, wk.20, 11:00 updated Airspy to f/w 1.7, and airspy_adsb to v1.16
2016-Jul-17, wk.28, 16:10 UTC, Updated airspy_adsb to v1.17
2016-Aug-07, wk.31, 17:05 UTC, Replaced T-piece with Chinese 1-3 GHz splitter
2016-Aug-13, wk.32, 11:20 UTC, Changed scales from 500 to 600 maximum
2017-Aug-17, wk.33, 13:30 UTC, PC Kiruna changed to nanoADS-B with DC block
2020-May-02, wk.18, 05:10 UTC, Replaced nanoADSB with Airspy R2, airspy_adsb v1.85, on RasPi-12
2020-Aug-12, wk.33, 06:00 UTC, Moved Beast RX from PC Alta to PC Penguin, kept Alta's history
2020-Aug-12, wk.33, 09:20 UTC, Changed Alta to take feed from RasPi-12, doubles CPU or I/O load?
2021-Jul-26, wk.31, 14:00 UTC, replaced outdoor antenna with loft Yagi, thunderstorm risk
2021-Jul-30, wk.31, 06:00 UTC, restored outdoor antenna
2021-Aug-05, wk.32, 07:30 UTC, replaced outdoor antenna with loft Yagi, thunderstorm risk
2021-Aug-09, wk.33, 06:00 UTC, restored outdoor antenna
2021-Aug-09, wk.33, 13:10 UTC, replaced outdoor antenna with loft Yagi, thunderstorm risk
2021-Aug-11, wk.33, 09:00 UTC, restored outdoor antenna
2021-Aug-31, wk.36, 07:00 UTC, replaced Chinese 2-way splitter with 4-way, ~3 dB more loss after the pre-amp
2021-Sep-09, wk.37, 03:45 UTC, replaced outdoor antenna with split loft Yagi, thunderstorm risk
2021-Sep-11, wk.37, 03:40 UTC, restored outdoor antenna
2022-Feb-23, wk.09, 20:00 UTC, replaced outdoor antenna with poor indoor vertical, thunderstorm risk
2022-Feb-25, wk.09, 05:00 UTC, restored outdoor antenna
2022-Apr-02, wk.14, 06:30 UTC, Moved RasPi-21 from loft Yagi to outdoor antenna
2022-May-17, wk.21, 09:00 UTC, replaced outdoor antenna with poor indoor vertical, thunderstorm risk
2022-May-18, wk.21, 03:10 UTC, restored outdoor antenna
2022-Jun-29, wk.27, 09:50 UTC, Swapped RX for RasPi-21 from FA Pro stick to RTL-SDR.COM dongle
2022-Oct-28, wk.44, 04:30 UTC, Swapped RX for RasPi-12 from Airspy R2 to AirSpy Mini
2023-Jan-29, wk.05, 15:30 UTC, Swapped RX for RasPi-12 from Airspy Mini to RSP-1A for a change
2023-Jan-30, wk.06, 07:30 UTC, RasPi-12 RX reverted to Airspy Mini
2023-Jul-22, wk.29, 04:45 UTC, Swapped RX for RasPi-12 from AirSpy Mini to Airspy R2, chase timekeeping issue
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RasPi-21/RTL-SDR.COM dongle Clients - PC Alta
Maximum range (km) Message rate (msgs/sec) FlightAware stats from RPi-21
FlightRadar24 stats from RPi-21
Plane Finder stats from RPi-21
PlanePlotter share ZA
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RasPi-12/Airspy R2 receiver Client - PC Kiruna LAN connected
Maximum range (km) Message rate (msgs/sec) PlanePlotter share Xf
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Beast receiver Direct connect - PC Penguin
Maximum range (km) Message rate (msgs/sec) PlanePlotter share tD |
Other periods:
day
week
month
year
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ARCHIVE INFORMATION
Indoor "3 dB gain" vertical antenna on a south-facing window ledge.
Pentland Hills block in this direction.
2016-May-16, wk.20 09:25 UTC, replaced Airspy R2 with Airspy mini.
2016-May-16, wk.20 10:00 UTC, updated airspy_adsb to v1.16
2016-May-22, wk.20 14:45 UTC, replaced RTL dongle with FlightAware stick
2016-Jul-17, wk.28 16:25 UTC, updated airspy_adsb to v1.17, added -n (highest native sample rate)
2016-Aug-04, wk.31 11:05 UTC, replaced T-piece with Chinese 1-3 GHz slpitter
2016-Aug-31, wk.35 14:40 UTC, replaced unreliable RasPi-8 with new model 3B
2017-Aug-03, wk.31 16:00 UTC, removed splitter from Flightaware stick
2017-Aug-03, wk.31 16:00 UTC, PC Bergen replaced Airspy mini with nanoADS-B box & active antenna
2017-Aug-17, wk.33 13:15 UTC, PC Bergen replaced nanoADS-B box & active antenna back to Airspy mini
2018-Apr-17, wk.16 12:24 UTC, Updated airspy-adsb from v1.17 to v1.18
2018-Apr-20, wk.16 05:40 UTC, Updated airspy-adsb from v1.18 to v1.19
2018-Apr-22, wk.16 13:55 UTC, Updated airspy-adsb from v1.19 to v1.21
2018-May-09, wk.19 13:00 UTC, Updated airspy-adsb from v1.21 to v1.27
2018-Jun-04, wk.23 05:20 UTC, Updated airspy-adsb from v1.27 to v1.37
2018-Jul-02, wk.27 09:15 UTC, Added FA pre-amp to RasPi-9 Airspy feed
2019-Oct-06, wk.40 06:45 UTC, Updated airspy-adsb from v1.37 to v1.38
2019-Oct-18, wk.42 07:40 UTC, Updated airspy-adsb from v1.38 to v1.40
2019-Nov-01, wk.44 07:30 UTC, Updated airspy-adsb from v1.40 to v1.57
2020-Jan-27, wk.03 12:00 UTC, Add FlightRadar24 upload to RasPi-8
2020-Mar-14, wk.11 08:10 UTC, Updated airspy-adsb from v1.57 to v1.85
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RasPi-9/Airspy mini & pre-amp Client - PC Bergen Wi-Fi connected
Maximum range (km) Message rate (msgs/sec) |
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RasPi-8/FA Pro stick RX Client - PC Torvik Wi-Fi connected
Maximum range (km) Message rate (msgs/sec) FlightRadar24 stats from RPi-8 |
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