You know you're a radio geek when...

1. When you have a favourite jingle
2. When you remember the year that the original package your favourite jingle was released
3. When you are stopped at a red light listening to the news. As soon as you hear "Independent Radio News" at the end, you shoot off with the light still on red
4. When you are sat at home listening to some CD's when you find yourself talking over the intro
5. When talking to friends and they say "I have a friend in Manchester" (or wherever) and you instantly know the name of the local station there
6. When you go on holiday and you can't wait to find out what the local radio station sounds like when you get there
7. When you download an MP3 player with TWO channels, so you can mix tracks together, instead of that odd silence between tracks.
8. When you spend hours and hours reading media discussion pages
9. When you listen to the radio with the telly on subtitles mode
10. When you know so many things about presenters it scares them
11. When you can't stop singing jingles. Hotter Fresher Mercury FM... Hits and Memories KFM... The Eagllle... Oh dear...
12. You have a radio station "sticker" collection - which you're proud of
13. You've got radio station press clippings, where they pictures of the studios
14. You get excited when the new Radio Authority Pocket Book gets released
15. When tuning around on the car radio, you edge the car a little to the left and then a little to the right, just to get that station that can be heard under loads of static.
16. You visit radio stations to get some car stickers, and take a whole handful
17. You hear a jingle on the radio and find yourself singing your own lyrics over the backing track
18. Somebody drives past with the car radio on and you just somehow know what station they are listening to
19. The arrows on the tuning button on your radio are worn off
20. Your favourite station is 80 miles away and you know where to park your car to hear it
21. Your drive to work follows this pattern: - listen to Chris Evans for a bit - Switch over to Five Live at 7.47 for the business news - Switch over to Hallam at 7.52 for the traffic - Switch over to Radio 4 for the news headlines at 7.59 - Switch over to Hallam for a bit - Switch back to Radio 4 at 8.15 to catch The Big Interview - Switch over to 5 Live for the sports interview at 8.25, etc
22. When you listen to a song you start trying to do a Power Intro.
23. When you record any items on radio stations on the television just to see what the studio looks like
24. You stand outside radio stations in the middle of the night in the slight hope of catching your favourite D.J buying a drink from the coffee machine
25. You take a detour in your car in order to pass the radio station and climps at those fabulous radio cars
26. You tune into a radio station on the net/Sky Digital which is out of area just because you can
27. You become a 'Star Member' on the Media UK Community Forums.
28. You sit through 6 minutes of commercials just to hear the station ID, and then turn off.
29. You drive an old car that barely runs because it has a good radio.
30. You are at a red light and the car next to you is blasting out some music and you tune around to find what station they are listening to
31. You drive right around the M25 in the opposite direction just to avoid Dartford Tunnel
32. You're in a conversation and a song starts up within earshot and you find yourself finishing your sentence just to hit the vocals
33. You sit in your bedroom chopping up jingle demos to make up your own continuous montage
34. You play to all your non-radio friends a different version of a jingle that was resung for their local station (much to their amazement)
35. You own more Jingle CD's than music ones
36. When going to look round a possible new house, you take a radio in order to see what the reception will be like
37. You've got a collection of station Christmas blooper tapes on CD
38. You base your university choice on the reputation of the local station
39. You move to the States and wonder where the LW buttons have disappeared from the radios
40. When the local radio station has a "I wanna be a -insert name of station- DJ" and you actually enter
41. When you volunteer to raise funds for the local classical public radio station, even when you have no interest in classical music
42. When you're searching the transmitter sites for the local TV and Radio stations and plotting them on a map
43. When you go into a sulk for many days because your wife decides to move the radio, ripping out the wires that were the aerial from it and destroying it in the process.
44. When you spend an extra 4 hours at work on a Sunday afternoon listening to 37 1/4 reel-to-reel tapes of classic jingles on an ageing revox player in a cold dark radio studio by yourself.
45. When you have to start putting car stickers on the outside of the windscreen.
46. When you know what room in the house you have to be to pick up certain radio stations.
47. You hang speaker wire outside your window just to pick up more obscure radio stations.
48. You go around singing radio station jingles that were replaced before you were born.
49. You have recordings of all the live calls you've made to radio stations.
50. You greet your DJ friend by singing his ident.
51. You ring the "Mystery Year" competition every day within the first song.
52. You know how to get to your local radio transmitter site.
53. You regard a sighting of your local radio transmitter site as 'nearly home'.
54. In your collection of car stickers you have one for BBC Radio 3.
55. You got mad when your mother threw out an original 1983 County Sound t-shirt because it "got too small".
56. Your car fails its MOT because of lack of rear-window visibility caused by too many stickers.
57. You know that Graham Torrington is networked, and listen to a distant station's version of it just to hear the opt-out points.
58. When you stop thinking of GWR as a railway.
59. You turn the radio over during music, and then wait for the next link.

Thanks to all contributors.