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For those who receive (and send) flight data from ADS-B capable devices such as the RTL-SDR dongles or have Apps for their tablets and phones, FlightAware announced on Wednesday this change to their service:
Hi from FlightAware,
After months of development, we released a large upgrade to our back-end flight tracking engine on Tuesday. Not only did the upgrade include dozens of bug fixes and flight tracking improvements, but we added a massive enhancement for US and Canadian flight tracking — the flight status and radar data is now live with no more five minute delay! Previously, the US/Canada data feed contained a five minute delay in addition to our ~30 second processing time, but now all data is less than a minute delayed from real time. In addition to the general improvement, this yields a lot of additional benefits:
More seamless transition between RADAR, ADS-B, and MLAT positions
Flights will no longer transition from “Arriving soon” to “Arrived 5 minutes ago”
Fewer estimated positions due to delayed RADAR data
Now that the radar data in the US and Canada is real-time, we’ll soon be enabling public MLAT data in the US, which is real-time just like our ADS-B data.
This is a major upgrade in data for folks in North America, and it will make using programs like PlanePlotter even more useful!
For those who might be interested in building their own dedicated ADS-B receiver, information may be found here. Of course FlightAware may be used as an online flight checking service just for tracking the progress of a given flight, which is in itself a lot of fun!
Many thanks to SWLing Post and SRAA contributor, Brian D. Smith (W9IND), for the following guest post and recording.
Note that Brian could use your help to ID a few unidentified broadcasters in this recording. If you can help, please comment:
Shortwave Radio 1974: Canada, Argentina, Spain, West Germany, Albania, utility stations
Want to know what shortwave radio sounded like in 1974?
This 55-minute recording, recovered from a cassette, was never intended to be anything but “audio notes”: I was an 18-year-old shortwave listener who collected QSL cards from international stations, and I was tired of using a pen and a notepad to copy down details of the broadcasts. I wanted an easier way to record what I heard, and my cassette tape recorder seemed like the perfect means to accomplish that goal.
But it wasn’t. I soon discovered that it was simpler to just edit my notes as I was jotting them down — not spend time on endless searches for specific information located all over the tape. To make a long story shorter, I abandoned my “audio notes” plan after a single shortwave recording: This one.
Hallicrafters S-108 (Image: DXing.com)
Still, for those who want to experience the feel of sitting at a shortwave radio in the mid-1970s and slowly spinning the dial, this tape delivers. Nothing great in terms of sound quality; I was using a Hallicrafters S-108 that was outdated even at the time. And my recording “technique” involved placing the cassette microphone next to the radio speaker.
Thus, what you’ll hear is a grab bag of randomness: Major shortwave broadcasting stations from Canada, Argentina, Spain, Germany and Albania; maritime CW and other utility stations; and even a one-sided conversation involving a mobile phone, apparently located at sea. There are lengthy (even boring) programs, theme songs and interval signals, and brief IDs, one in Morse code from an Italian Navy station and another from a Department of Energy station used to track shipments of nuclear materials. And I can’t even identify the station behind every recording, including several Spanish broadcasts (I don’t speak the language) and an interview in English with a UFO book author.
The following is a guide, with approximate Windows Media Player starting times, of the signals on this recording. (Incidentally, the CBC recording was from July 11, 1974 — a date I deduced by researching the Major League Baseball scores of the previous day.)
Guide to the Recording
0:00 — CBC (Radio Canada) Northern and Armed Forces Service: News and sports.
7:51 — RAE (Radio Argentina): Sign-off with closing theme
9:14 — Department of Energy station in Belton, Missouri: “This is KRF-265 clear.”
9:17 — Interval signal: Radio Spain.
9:40 — New York Radio, WSY-70 (aviation weather broadcast)
10:22 — Unidentified station (Spanish?): Music.
10:51— Unidentified station (English): Historic drama with mention of Vice President John Adams, plus bell-heavy closing theme.
14:12 — RAI (Italy), male announcer, poor signal strength.
14:20 — Unidentified station (Spanish): Theme music and apparent ID, good signal strength.
15:16 — Unidentified station (foreign-speaking, possibly Spanish): Song, “Chirpy Chirpy Cheep Cheep.”
17:00 — Deutsche Welle (The Voice of West Germany): Announcement of frequencies, theme song.
17:39 — Unidentified station (English): Interview with the Rev. Barry Downing, author of “The Bible and Flying Saucers.”
24:36 — One side of mobile telephone conversation in SSB, possibly from maritime location.
30:37 — Radio Tirana (Albania): Lengthy economic and geopolitical talk (female announcer); bad audio. Theme and ID at 36:23, sign-off at 55:03.
55:11 — Italian Navy, Rome: “VVV IDR3 (and long tone)” in Morse code.
As I’ve mentioned before, @K7al_L3afta lives in an urban area of Morocco and his shortwave radio listening is plagued with radio interference (RFI). Still, he seems to snag some interesting catches on the shortwaves just like this one which he said he caught by “turning the tuning knob randomly.”
For those who receive (and send) flight data from ADS-B capable devices such as the RTL-SDR dongles or have Apps for their tablets and phones, FlightAware announced on Wednesday this change to their service:
