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#1
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Bizarre radio experience
So there I was. 9,500 ft. over Albemarle Sound in NC. Headed toward
Kitty Hawk to meet some people flying up from Myrtle Beach attending the Beach Aero Club yearly meeting. I'm getting flight following from Washington Center and being pushed along with a 50 kt. tailwind (I took a picture of my GPS as proof, 154 kts. groundspeed.) "Podunk airport traffic, bugsmasher 25B ten miles east inbound for landing, any traffic, please advise" "Ha!" I think to myself, "That Center lady is certainly going to tell him a thing or two." "Other-podunk airport traffic, happy 94J, left base, runway zero four." Hmmm... What's going on... "podunk... podunk... podunk... ... ..." It's now so bad that I can't clearly hear what the Center controller is saying. It's at times like these that they usually want me to switch transponder code for no known reason... "Washington Center, 25Q, I'm receiving a lot of 0 on this frequency, I need to cancel flight following." Actually, I had to say it about three times as it was very busy. She finally said something that I couldn't understand except the last words, "... good luck." Now my powers of diagnosis are put to the test. I set the other radio to the Center freq and listen to that. No change. Still chatter from everywhere. I switch to transmit on that. I change the standby freqs. I shut off one radio. Still I hear voices. Finally, I turn off the intercom (radios are still on). "Podunk..." This isn't supposed to happen. I can bypass the intercom, but I really should need to plug into the bypass jacks... What is going on? I turn off both radios. ".... podunk ... podunk ... PODUNK!!!!" (did I say the voices were loud?) The whole panel is dark. The hair on my neck is starting to stand up. There's only one thing left to try... I turn off my iPod that's plugged into the headset (not "Ride of the Valkyries", but Amy LaVere)... silence. Wow. Cool. Plug back in, "podunk..." Somehow the combination of iPod, wire and LightSpeed 30-3G was acting as a radio (a very crisp, loud radio) picking up multiple frequencies at once. I wish I had written down all the airport names so I could see how many I was hearing, but it was quite the cacophony. I called LightSpeed and the guy there had never had that reported before. I said I'd post to a newsgroup to solicit other reports. Anyone? -- Don Poitras |
#2
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Bizarre radio experience
Somehow the combination of iPod, wire and LightSpeed 30-3G was acting
as a radio (a very crisp, loud radio) picking up multiple frequencies at once. Whoa -- now THAT is weird. I've flown that exact route with intercom, Lightspeed, flight following, and XM-radio, but never got the "Twilight Zone" radio effect. Must be something in the iPod doing it... Great, just you watch: Now they'll issue an AD on Apples... ;-) -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#3
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Bizarre radio experience
Don Poitras writes:
The whole panel is dark. The hair on my neck is starting to stand up. There's only one thing left to try... I turn off my iPod that's plugged into the headset (not "Ride of the Valkyries", but Amy LaVere)... silence. Wow. Cool. Plug back in, "podunk..." Somehow the combination of iPod, wire and LightSpeed 30-3G was acting as a radio (a very crisp, loud radio) picking up multiple frequencies at once. I wish I had written down all the airport names so I could see how many I was hearing, but it was quite the cacophony. I called LightSpeed and the guy there had never had that reported before. I said I'd post to a newsgroup to solicit other reports. Anyone? Clearly your personal eletronic device is causing interference that endangers the safety of the flight. The PIC or aircraft operator will have to forbid use of the device. |
#4
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Bizarre radio experience
Mxsmanic wrote in
: Don Poitras writes: The whole panel is dark. The hair on my neck is starting to stand up. There's only one thing left to try... I turn off my iPod that's plugged into the headset (not "Ride of the Valkyries", but Amy LaVere)... silence. Wow. Cool. Plug back in, "podunk..." Somehow the combination of iPod, wire and LightSpeed 30-3G was acting as a radio (a very crisp, loud radio) picking up multiple frequencies at once. I wish I had written down all the airport names so I could see how many I was hearing, but it was quite the cacophony. I called LightSpeed and the guy there had never had that reported before. I said I'd post to a newsgroup to solicit other reports. Anyone? Clearly your personal eletronic device is causing interference that endangers the safety of the flight. The PIC or aircraft operator will have to forbid use of the device. It's not the same thing as the voices in your head, k00kie boi. Bertie |
#5
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Bizarre radio experience
"Don Poitras" wrote Somehow the combination of iPod, wire and LightSpeed 30-3G was acting as a radio (a very crisp, loud radio) picking up multiple frequencies at once. I wish I had written down all the airport names so I could see how many I was hearing, but it was quite the cacophony. I called LightSpeed and the guy there had never had that reported before. I said I'd post to a newsgroup to solicit other reports. Anyone? Holey crystal radio, batman! I've heard of people's braces and dental bridges acting as radios before, but never multi frequency ipod repeaters! Quite the tale, but not totally out of the realm of unusual strange happenings. Thanks for sharing the happenings with us! Now, as to the question of if you are hearing things, or not..... g -- Jim in NC |
#6
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Bizarre radio experience
On Oct 22, 2:26 pm, (Don Poitras) wrote:
I turn off my iPod that's plugged into the headset (not "Ride of the Valkyries", but Amy LaVere)... silence. Wow. Cool. Plug back in, "podunk..." Somehow the combination of iPod, wire and LightSpeed 30-3G was acting as a radio (a very crisp, loud radio) picking up multiple frequencies at once. I wish I had written down all the airport names so I could see how many I was hearing, but it was quite the cacophony. I called LightSpeed and the guy there had never had that reported before. I said I'd post to a newsgroup to solicit other reports. Anyone? -- Don Poitras My bizarre story happened in the mid 70's. I took up a guy in my Tri- Pacer with a newfangled video camera. It was before small one piece camcorders existed and the Beta recording deck was in the a back seat as we flew around town shooting video. We were not concerned with audio and did not take a microphone along. We got back to the TV studio where I worked and played the tape. Out of the speaker, clear as day, came every bit of radio communication from the entire flight, both transmitted and received. Weird. -- Gene Seibel KB0NNN http://pad39a.com/gene/broadcast.html Because I fly, I envy no one. |
#7
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Bizarre radio experience
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#8
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Bizarre radio experience
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#9
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Bizarre radio experience
On Mon, 22 Oct 2007 15:19:34 -0700, C J Campbell
wrote in 2007102215193443658-christophercampbell@hotmailcom: Got any idea what was going on? Aviation VHF radio communications are Amplitude Modulated, so it only requires a simple diode/rectifier to detect them, unlike FM. Obviously the iPod was acting as a wide-band or un-tuned radio frequency receiver and detector, and combining the iTunes audio with the audio from all the aircraft transmissions within line-of-sight at 9,500'. Perhaps Apple will consider electrically shielding their products if they become aware of this issue. |
#10
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Bizarre radio experience
C J Campbell wrote:
On 2007-10-22 12:26:27 -0700, (Don Poitras) said: . "podunk... podunk... podunk... ... ..." It's now so bad that I can't clearly hear what the Center controller is saying. It's at times like these that they usually want me to switch transponder code for no known reason... You know, this alone is reason enough to write up a NASA report. This is exactly the kind of thing they are looking for. -- Waddling Eagle World Famous Flight Instructor I hadn't thought of that. You're right though. The PDF file wouldn't work when I clicked the "send" button, so I printed it out and I'll mail tomorrow. -- Don Poitras |
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