TDI RADIO TOP 40

top 40

The forty most popular songs of a given time period
The Top Forty or Top 50 is a music industry shorthand for the currently most-popular songs in a particular genre. When used without qualification, it typically refers to the best-selling or most frequently broadcast popular music songs of the previous week.
Contemporary hit radio (also known as CHR, Contemporary Hits, Current Hits, Hit Music, Top 40) is a radio format that is common in the United States, United Kingdom, Canada and Australia that focuses on playing current and recurrent popular music as determined by the top 40 music charts.

radio

The transmission and reception of electromagnetic waves of radio frequency, esp. those carrying sound messages
medium for communication
The activity or industry of broadcasting sound programs to the public
Radio programs
transmit messages via radio waves; “he radioed for help”
indicating radiation or radioactivity; “radiochemistry”

tdi

Total Drama Island (sometimes shortened to TDI) is a Canadian animated television series which lampoons the conventions commonly found in reality shows. The show and its sequel seasons are collectively referred to as the Total Drama series.
TDI or Turbocharged Direct Injection is a design of turbodiesel engines, which feature turbocharging and cylinder-direct fuel injection, developed and produced by Volkswagen Group.
Trading Data Interchange. Abbreviation for EDI common in Europe.

tdi radio top 40 – Now 39:

Now 39: That's What I Call Music

NOW That’s What I Call Music! Vol. 39 features 16 current major chart hits, plus four up-and-coming “NOW What’s Next” New Music Preview tracks. Included in NOW 39 are top chart hits from Katy Perry, LMFAO featuring Lauren Bennett and GoonRock, Pitbull featuring Ne-Yo, Afrojack and Nayer, Lady Gaga, Britney Spears, Jennifer Lopez featuring Pitbull, Lupe Fiasco, Tinie Tempah featuring Eric Turner, The Black Eyed Peas, Bruno Mars, Selena Gomez, Jessie J featuring B.o.B, Hot Chelle Rae, OneRepublic, Jason Aldean, and Blake Shelton, plus “NOW What’s Next” emerging tracks from Maria K., Jessica Sutta, Chiddy Bang, and DEV featuring The Cataracs. The “NOW What’s Next” bonus track program featured on each numeric NOW release continues to preview hot new artists with tomorrow’s biggest hits.

Top 40 Radio

Poster I found with the top 25 songs by year from 1947 to 1971
Here are the top 5 sings by year
1947 1 Near You Francis Craig
19481Twelfth Street RagPee Wee Hunt
19491Riders in the SkyVaughn Monroe
19501Good Night IreneGordon Jenkins
19511Too YoungNat King Cole
19521Blue TangoLeroy Anderson
19531Song From Moulin RougePercy Faith
19541Little Things Mean A LotKitty Kollen
19551Cherry Pink and Apple Blossom WhitePrez Prado
19561Heartbreak HotelElvis Presley
19571All Shook UpElvis Presley
19581VolareDommico Medungo
19591Battle of New OrleansJohnny Horton
19601Theme From The Summer PlacePercy Faith
19611Tossin’ and Turnin’Bobby Lewis
19621Stranger on the ShoreMr. Acker Bilk
19631Sugar ShackJimmy Gilmer & The Fireballs
19641I Want To Hold Your HandThe Beatles
19651Woolly BullySam The Sham
19661The Green BeretteSgt. Barry Sadler
19671To Sir With LoveLulu
19681Hey JudeThe Beatles
19691Sugar SugarArchies
19701Bridge Over Troubled WaterSimon & Garfunkel
19711Joy To The WorldThree Dog Night
19472Peg O’ My HeartHarmoncats
19482MananaPeggy Lee
19492That Lucky Old SunFrankie Loine
19502Mona LisaNat King Cole
19512Because of YouTony Bennett
19522Wheel Of FortuneKay Starr
19532Vaya Con DiosLes Paul & Mary Ford
19542WantedPerry Como
19552Rock Around the ClockBill Haley
19562Don’t Be cruelElvis Presley
19572Love Letters in The SandPat Boone
19582All I Have to do is DreamThe Everly Bros.
19592Mack The KnifeBobby Darin
19602He’ll Have to GoJim Reeves
19612I Fall To PiecesPatsy Cline
19622I Can’t Stop Loving YouRay Charles
19632Surfin’ USAThe Beach Boys
19642She Loves YouThe Beatles
19652I Can’t Help MyselfFour Tops
19662CherishAssociation
19672The LetterBox tops
19682Love is BluePaul Mauiat
19692Aquarius/Let The Sunshine InFifth Dimension
19702Close to YouCarpenters
19712Maggie MayRod Stewart
19473Ted WeemsTed Weems
19483Now is the HourBing Crosby
19493Yiou’re Breaking my HeartVic Damone
19503Third Man ThemeAnton Karas
19513How High the MoonLes Paul & Mary Ford
19523CryJohnnie Rae
19533Doggie in the WindowPatti Page
19543Hey There, Rosemary Clooney
19553Yellow Rose of TexasMitch Miller
19563Lisbon AntiguaNelson Riddle
19573Little DarlinDiamonds
19583Don’tElvis
19593PersonalityLloyd Price
19603Cathy’s ClownEverly Brothers
19613MichaelHighwaymen
19623Mashws Patato TimeDee Dee Sharp
19633The End of the WorldSkeeter Davis
19643Hello DollyLouis Armstrong
19653SatisfactionRolling Stones
19663Soul and InspirationRighteous Bros.
19673Ode to Billy JoelBobby Gentry
19683HoneyBobby Goldsboro
19693I Can’t Get Next to YouTemptations
19703American WomanGuess Who
19713It’s Too LateCarol King

19474LindaRay Noble Orchestra
19484My HappinessPied Pipers
19494Some Enchanted EveningPett Como
19504Sam’s SongGary and Bing Crosby
19514Come on a my HouseRosemarry Clooney
19524Auf Wiedersh’n SweetheartVera lynn
19534I’m Walking Behind You Eddie Fisher
19544Sh-BoomCrew Cuts
19554Autum LeavesRoger Williams
19564My PrayerPlatters
19574Young LoveTab Hunter
19584Witch DoctorDavid Seville
19594VenusFrankie Avalon
19604Running BearJohnny Preston
19614Cry’nRoy Obinson
19624Roses Are redBobby Vinton
19634Rythem of The RainCascades
19644Oh, Pretty WomanRoy Orbinson
19654You Were On My mindWe Five
19664Reach Out I’ll Be ThereFour Tops
19674WindyAssociation
19684The Dock of the BayOtis Redding
19694Honky Tonk WomanRolling Stones
19704Raindrops Keep Falling on My headB. J. Thomas
19714One Bad AppleOsmonds
19475Smoke, Smoke, SmokeTex Williams
19485You Can’t be True DearKen griffith
19495Slipping AroundJimmy Wakely & Margaret Whiting
19505Simple MelodyGary and Bing Crosby
19515Be My loveMario Lonza
19525I Went to Your WeddingPatti Page
19535You, You, YouAmes Bros.
19545Make Love to YouJo Stafford
19555Unchained MelodyLes Baxter
19565Wayward WindGogi Grant
19575So RareJimmy Dorsey
19585PatricaPrez Prado
19595Lonely BoyPaul Anka
19605Teen AngelMark Dinning
19615RunawayDel Shannon
19625The StripperDavid Rose
19635He’s So FineChiffons
19645I get AroundBeach Boys
19655You’ve Lost that Loving FeelingRighteous Bros
1966596 Tears? And the Mysterions
19675I’m A believerMonkeys
19685People Got To Be FreeRascals
19695Everyday PeopleSly & the Famiily Stone
19705WarEdwin Starr
19715How Can You MendBee Gees

Top 40 at Christmas 1970

WCFL (Chicago) Top 40 hit survey, December 21, 1970

My Sweet Lord stays number one again, and Knock Three Times moves to number 2. Lonely Days by the Bee Gees is on the move (love that song!), and Stephen Stills debuts with Love the One You’re With.

tdi radio top 40

The Corning hotplate 6795-PC series has LED digital display of speed (rpm), or temperature, and a glass-ceramic plate surface, a microprocessor-based temperature control, a three-prong plug, and works with a 120V/60Hz power source. This hotplate is used by researchers, professionals, and hobbyists to heat a variety of liquids and solutions in chemistry, food and beverage, biology, lab, and home applications.
This Corning hotplate has LED, digital display of stirring speed in revolutions per minute (rpm) or temperature (degrees C), and an illuminated power indicator. Temperature display blinks until set temperature is reached. A glass-ceramic plate surface is scratch, corrosion, and chemical resistant, and has good cleaning ability. Its two-piece casting design deflects spills away from the electrical area, and includes a built-in rod mount support. The 6795-PD series comes in a variety of stirring speeds (+ or – 5% of set speed), and sizes, and can come with a in a stirrer apparatus. A microprocessor maintains consistent and repeatable temperature settings of 5 to 550 degrees C (+ or – 2 degrees C), adjustable in 5-degree C increments, with a flashing indicator that blinks until a set temperature is reached. The device can work with a temperature controller and support rod (sold separately). The PC-600 series meets European Standards (EN), and has a two-year warranty.
Researchers, professionals and hobbyists use hot plates to heat a variety of liquids and solutions in chemistry, food and beverage, biology, lab, and home applications. Hotplates can have either a digital or an analog display, and can show temperature range, or stirring speed. Hot plate surfaces are commonly made of ceramic-glass, or stainless steel and have coatings such as porcelain. They come in a variety of dimensions. Some units can work with stirrers that can be supported with clamps and rods.
Corning Incorporated manufactures consumable glass, ceramics, and plastic laboratory tools for life science research, industrial, and educational applications. Founded in 1908, Corning Inc. is headquartered in New York, NY and makes ISO-certified products.