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السؤال 3

On which of the following bands is image transmission prohibited?

  1. 160 meters
  2. 30 metersالإجابة الصحيحة
  3. 20 meters
  4. 12 meters

الشرح

The same emission table that bars phone on 30 meters also bars image because all frequencies in that allocation are limited to RTTY and data. On 160, 20 and 12 meters, image emissions are authorized in the phone segments.

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