The image loading/rendering is fascinating, beginning grainy and then smoothing with time. Can you elaborate on what’s happening?
Show HN: ADS-B visualizer
61–70 of 80 posts
Re: Show HN: ADS-B visualizer
#62This is beautiful! Definitely worth looking at the examples in the Github repo: https://github.com/ClickHouse/adsb.exposed/ I particularly like the example of helicopters following the river Thames in London: https://github.com/ClickHouse/adsb.exposed/?tab=readme-ov-fi...
Impressive. Though, for one of the examples, set in an area with active military conflict, I wondered whether the information is new and useful to anyone involved.
Re: Show HN: ADS-B visualizer
#63Im surprised to see military traffic over the US. They tend to fly with ADSB out turned off and have an agreement with FAA to be able to do that. Also surprised to see gliders who generally don’t broadcast ADSB out. In the US, we are required to have ADSB out within most controlled airspace and within the mode C veil of a major airport (within 30nm and up to 10,000 MSL). So most GA planes have it but remote areas hav…
There's plenty of H60s and H47s out of Lewis McChord on ADSB, not to mention P8's, C17's, etc...if you're on flight following you'll get advisories or even just watching "the fish finder" you'll see them.
Re: Show HN: ADS-B visualizer
#64This is arrestingly beautiful. I kind of want to get a print or two of some of these. Even the color choices are magnificent
Re: Show HN: ADS-B visualizer
#65The detail is amazing, you can see down the the individual tiedown rows at many small airports.
Re: Show HN: ADS-B visualizer
#66Im surprised to see military traffic over the US. They tend to fly with ADSB out turned off and have an agreement with FAA to be able to do that. Also surprised to see gliders who generally don’t broadcast ADSB out. In the US, we are required to have ADSB out within most controlled airspace and within the mode C veil of a major airport (within 30nm and up to 10,000 MSL). So most GA planes have it but remote areas hav…
If you look at https://globe.adsbexchange.com , and filter for military/interesting (the U button at the top of the screen), you'll see that at any given time there are a LOT of military flights over the US. Most are transport, refueling tankers and what seem to be pilots-in-training (mostly in Texas and Florida, some in Colorado), but there are plenty of helicopters and smaller Lear-type jets. When the president or…
Cool. Whenever I see military traffic here in Colorado they don’t show up on adsb except for the DA20 trainers in the pattern south of Springs.
Re: Show HN: ADS-B visualizer
#67Im surprised to see military traffic over the US. They tend to fly with ADSB out turned off and have an agreement with FAA to be able to do that. Also surprised to see gliders who generally don’t broadcast ADSB out. In the US, we are required to have ADSB out within most controlled airspace and within the mode C veil of a major airport (within 30nm and up to 10,000 MSL). So most GA planes have it but remote areas hav…
Fighters often don't have ADS-B, but there are lots of other military aircraft that routinely use it (transports, etc.). Go to https://globe.adsbexchange.com and press U to show only military.
Just speaking from experience, in Colorado no military has it on except for the trainers. Having a chinook pass under you and be totally invisible on the iPad is a weird feeling.
Re: Show HN: ADS-B visualizer
#68Is it possible to export a report of traffic by a selected region?
Yes, it is possible to connect to the database directly and run an arbitrary query. Example: $ clickhouse-client --user website --host kvzqttvc2n.eu-west-1.aws.clickhouse-staging.com clickhouse-cloud :) SELECT t, desc, count() AS c FROM planes_mercator_sample100 GROUP BY ALL ORDER BY c DESC LIMIT 10 ┌─t────┬─desc────────────────────────────┬────────c─┐ 1. │ B738 │ BOEING 737-800 │ 51530781 │ 2. │ A320 │ AIRBUS A-320…
Ah very nice, thank you kind internet friend.
Re: Show HN: ADS-B visualizer
#69Im surprised to see military traffic over the US. They tend to fly with ADSB out turned off and have an agreement with FAA to be able to do that. Also surprised to see gliders who generally don’t broadcast ADSB out. In the US, we are required to have ADSB out within most controlled airspace and within the mode C veil of a major airport (within 30nm and up to 10,000 MSL). So most GA planes have it but remote areas hav…
The ADS-B Out situation with gliders in the USA is complex. Many high-performance modern gliders used for racing and cross country flying are equipped with Mode-S transponders with 1090ES Out (either 14 CFR 91.227 ADS-B Out compliant or TABS/TSO-C199 ADS-B Out compliant) as well as the glider specific FLARM traffic awareness system that broadcasts and receives proprietary low-power position data. FLARM systems, at least as used in the USA also typically receive 1090ES In so they drive the integrated traffic display and warning systems in these modern glider cockpits. For historical and technical reasons gliders use a FLARM modified NMEA serial data protocols for traffic data in the cockpit instead of what is found in GA aircraft ADS-B traffic display systems.
Gliders potentially face very different risk scenarios and their owners will hopefully equip for what is the most significant risks to them and others. e.g. gliders often fly close to each other, especially when thermalling together, if flying with other gliders in remote areas then the FLARM system optimized to handle glider on glider threats is optimal (where GA focused ADS-B produces far to many false alerts), if flying near lots of GA aircraft ADS-B Out (and In via FLARM) is likely optimal, if flying near airliners, fast jets and tactical military aircraft then transponders alone even without 1090ES Out may be most critical item for their SSR, TCAS and IFF compatibility. Ideally owners do equip with all three... Mode-S, 1090ES Out, and FLARM.
The challenge may be more where there are low-cost/low-value gliders, maybe trainers and glider club owned gliders especially those located in busy traffic areas. You would hope those owners long ago got the message they should be equipping with some forms of supplementary traffic broadcast/awareness systems.
UAT adoption in gliders is nearly non-existent as FLARM systems only receive directly on 1090ES In and you don't want to rely on ADS-R coverage in remote or mountainous areas.
TABS/TSO-C199 is an easier route to an approved installation of ADS-B Out systems in type-certified gliders. TSO-C199 was developed by industry and the FAA following the 2006 mid-air collision between a glider and Hawker business jet near Minden NV. Experimental category gliders will typically have 14 CFR 91.227 compliant installations done under the same "meets performance requirements" clauses as many experimental power aircraft.
Re: Show HN: ADS-B visualizer
#70How do it get ADS-B data from over the oceans? I guess it isn't satellite (which I now is used for actual tracking) since there is obviously a lot less lines over the oceans (but lines nonetheless).