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New quantum receiver the first to detect entire radio frequency spectrum

Discussion in 'Amateur Radio News' started by K7MHI, Feb 7, 2021.

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  1. K7MHI

    K7MHI XML Subscriber QRZ Page

    K7MHI, Feb 7, 2021
    #1
    KG4BFR and K7HAM like this.
  2. AH7I

    AH7I Ham Member QRZ Page

    "4-MHz instantaneous bandwidth" - the paper's abstract
    DOD has had some pretty fancy radios. First gulf war they had a 'portable' with 5oo kHz instantaneous bandwidth from DC to near 10 GHz. IIRC it could display six 500 kHz segments at once on it's orange plasma screen. All manner of demodulators built in too.

    Rydberg Atom
     
    AH7I, Feb 8, 2021
    #2
    KG4BFR likes this.
  3. W1YW

    W1YW Ham Member QRZ Page

    Wideband RX is not a real issue--so, what is the claimed advantage?

    BTW that dish shown hardly has the capability of being 'wideband'....

    Here's a better reference:

    1803.03545 (arxiv.org)
     
    W1YW, Feb 8, 2021
    #3
    AC0OB likes this.
  4. KA0HCP

    KA0HCP XML Subscriber QRZ Page

    The problem with Quantum Radios is the difficulty in finding trained Quantum Mechanics to maintain them.... ;)

    Quantum Mechanic Small.jpg
     
    KA0HCP, Feb 8, 2021
    #4
    KG5ILP, K8NY, KG4BFR and 25 others like this.
  5. W1YW

    W1YW Ham Member QRZ Page

    Reminds me of a joke ad I did in 1975--

    THERE"S BIG MONEY IN RADIO telescope REPAIR!!

    You took me back:)
     
    W1YW, Feb 8, 2021
    #5
    AB4AW, KB2ANG, WQ4G and 2 others like this.
  6. WL7PM

    WL7PM Ham Member QRZ Page

    Ehhh, I'm waiting for them to work the bugs out with the first gen...
     
    WL7PM, Feb 9, 2021
    #6
    N1VAU likes this.
  7. N3EG

    N3EG Ham Member QRZ Page

    Remember: "Technician" is half technical and half magician.
     
    N3EG, Feb 9, 2021
    #7
    KG4BFR, KM4YXL, N7BKV and 11 others like this.
  8. KK6YAE

    KK6YAE Ham Member QRZ Page

    What about it is quantum?

    do I own a quantum SDR now?
     
    KK6YAE, Feb 9, 2021
    #8
    KG4BFR, K8CGS, KG7HVR and 1 other person like this.
  9. N0TZU

    N0TZU Platinum Subscriber Platinum Subscriber QRZ Page

    With a quantum radio you can either hear the signal precisely, or know it's frequency precisely, but not both at the same time. :p
     
    N0TZU, Feb 9, 2021
    #9
    KG5ILP, KG4BFR, WD4IGX and 16 others like this.
  10. KK6YAE

    KK6YAE Ham Member QRZ Page

    I BELIEVE THAT!
     
    KK6YAE, Feb 9, 2021
    #10
    KG5ILP likes this.
  11. K6CLS

    K6CLS Ham Member QRZ Page

    (Serious tone,sorry)

    In a sense, yes you do own many quantum devices:. All solid state electronics work because of quantum effects.
     
    K6CLS, Feb 9, 2021
    #11
    KA4DPO, G3SEA, PY2NEA and 1 other person like this.
  12. WA8FOZ

    WA8FOZ Premium Subscriber QRZ Page

    Blivet or not?
     
    Last edited: Feb 9, 2021
    WA8FOZ, Feb 9, 2021
    #12
    KR3DX likes this.
  13. KC1CCG

    KC1CCG Ham Member QRZ Page

    needs a cartoon with Shrodinger's cat in the box with headset and straight key....in a superposition of he heard you and he did not hear you, a wave function which collapses to one or the other when you receive the QSL card. Anyway, the first 50 KHz of each HF band is all that's necessary.
     
    KC1CCG, Feb 9, 2021
    #13
    KG5ILP, WD4IGX, K1XS and 3 others like this.
  14. KR3DX

    KR3DX Ham Member QRZ Page

    Probably, or.........probably not............., you won't know until you sell it.............:rolleyes:
     
    Last edited: Feb 11, 2021
    KR3DX, Feb 11, 2021
    #14
  15. KK6YAE

    KK6YAE Ham Member QRZ Page

    I actually don't believe in particles. Only waves. Waves of WHAT? Discuss...
     
    KK6YAE, Feb 11, 2021
    #15
    PY2NEA likes this.
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