Today: Transmission tests for the 2022 BBC Antarctic Midwinter Broadcast

Halley VI Research Station on the Brunt Ice Shelf in Antarctica (Source: British Antarctic Survey)

Many thanks to SWLing Post contributor, Richard Langley, who writes:

Hi Thomas:

According to a posting on the WoR io group, the frequencies for the 21 June broadcast won’t be finalised until after the test transmissions, but the latter have now been scheduled.

They will be on air today Tuesday, 14.06.2022, at 2130-2145 UTC.

      • ASC: 7305 kHz
      • DHA: 6035 kHz
      • WOF: 9505 kHz and 12065 kHz

All the best
— Richard

Many thanks for sharing this Richard! As it has become a tradition, we will share recordings of the June 21 Midwinter Broadcast to Antarctica here on the SWLing Post once again. Always a highlight of my year!

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11 thoughts on “Today: Transmission tests for the 2022 BBC Antarctic Midwinter Broadcast

  1. Jon

    Hi All,

    We received all the transmission here at Rothera.

    The midwinters broadcast itself will be transmitted on; 9505 (WOF), 12065(WOF) & 7305(DHA) kHz tomorrow (21st) at 21:30 GMT.

    Reply
  2. Dave613

    Here’s what I heard, better signal here from WOF than during the actual broadcast in 2021
    ASC (8490km) 7305 kHz
    1 by 1
    DHA (15,900km) 6035 kHz
    Nothing heard
    WOF (5160km) 9505 kHz
    3 by 3
    WOF (5160km) 12065 kHz”
    5 by 5

    Listening in Ottawa, Canada. Belka DX receiver with 75 foot circumference loop-on-ground antenna. Similar results using XHDATA D808 receiver and same antenna.
    PS, this is the strength/readability scale I am using, no true S meter on either receiver. For context the 12065 signal was 30-40 units (FS=100 units) on the Belka.
    Signal strength
    1. Scarcely perceptible
    2. Weak
    3. Fairly good
    4. Good
    5. Very good
    Intelligibility
    1. Bad
    2. Poor
    3. Fair
    4. Good
    5. Excellent

    Reply
  3. Dean Bonanno

    “What do the 3 letter abbreviations stand for?

    ASC: 7305 kHz
    DHA: 6035 kHz
    WOF: 9505 kHz and 12065 kHz”

    Tim,

    The initials stand for place of transmission site:
    ASC – Ascension Island
    DHA – Abu Dhabi, UAE
    WOF – Woofferton, England

    Reply
  4. Dean Bonanno

    Received 12065 transmission with excellent reception between 2130-2145 utc on June 14, 2022 in Connecticut. &305 and 9505 faint and noisy.

    Reply
  5. Dean Bonanno

    Received broadcast on 12065 with excellent reception between 2130-2145 utc on June 14, 2022 in Connecticut. Reception on 7305 and 9505 was faint and noisy.

    Reply
  6. Tim Brockett

    What do the 3 letter abbreviations stand for?

    ASC: 7305 kHz
    DHA: 6035 kHz
    WOF: 9505 kHz and 12065 kHz

    Will the transmissions be in AM or USB or LSB mode?
    I am a newbie.
    Thanks,
    Tim

    Reply

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