Spectrum Radio Control Receiver

In a radio telescope operation, liquid nitrogen might be used to?
A) control the slewing of the telescope;
B) see farther into space by looking for nitrogen atoms;
C) cool the receiver so as to diminish its background noise;
D) Study radio spectra of nitrogen
__________ radiation can penetrate smog much better than visible light
A) Strange;
B) Ultra violet;
C) Infrared or radio;
D) Shorter wavelength
Thanks!
Hi Jennifer! The first answer I believe is C) cool the receiver to diminish the background noise.
….And Infrared or Radio waves can penetrate smog better than visible light.
Cheers
|
|
Spektrum Ar600 6-Channel Sport DSMX Receiver $59.99 With advanced DSMX⢠2.4GHz technology and an affordable price, the Spektrum AR600 full range receiver is a great choice for sport pilots looking for a six-channel receiver…. |
|
|
DX7s 7 Ch with AR8000 NO SX’s MD2 $299.99 Spektrum is back at it again.. This time with the ergonomic champion, the Spektrum DX7s 7-Channel DSM2/DSMX computerized trasmitter. With a touch and feel to it that puts it in a class of it’s own, the DX7 also boasts a large LCD screen and extensive airplane and helicopter programming options. With built in telemetry, data interface, intuitive SimpleScroll programming and superb ergonomics; this … |
|
|
Spektrum DX6i DSMX 6 Channel Full Range Remote Controller without Servo MD2 $209.99 The DX6i takes 6-channel computer radios to a whole new level…. |
|
|
Monster MON129363 FM-CH iPod/iPhone iCarPlay Wireless 800 FM Transmitter – Deluxe Car Kit – Retail Packaging – Black $79.95 M6 Sport earphone: Unique at this price point, the M6 is a winner in sound, comfort, and style. Over the ear sport fit with memory wire for a comfortable, locked in fit; Amazing bass with great detail and treble extension; Great for exercise/sports, sleeping, or wearing under a helmet; Frustration-free designer cable that has low microphonics and is tangle resistant; In-ear design provides passi… |
|
|
Boss BV7300 Series … |
|
|
Clarion EQS746 1/2 DIN Graphic Equalizer with Built-in Crossover $149.99 7-BAND GRAPHIC EQUALIZER6-CHANNEL RCA FRONT REAR & SUBWOOFER OUTPUTSADJUSTABLE MASTER VOLUME LEVEL CONTROLADJUSTABLE SUBWOOFER LEVEL CONTROL2-CHANNEL RCA AUX INPUT WITH ADJUSTABLE GAINSELECTABLE 12 DB LOW-PASS CROSSOVERGOLD-PLATED TERMINALSDIM: 1″H X 7″W X 4″DUPC : 729218014769Shipping Dimensions : 8.10in X 6.10in X 1.70inEstimated Shipping Weight : 1.65… |
Categories: Uncategorized