AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/ham-f-region-6-10m

At the peak of the sunspot cycle, which bands may give long-distance contacts via the F region?

Start playing free

  1. 6 and 10 meters
  2. 70 centimeters and 1.25 meters
  3. 23 centimeters

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Ham Radio Operator Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. HamStudy 2026 Technician pool, T3C10 hamstudy.org/browse/E2_2026/T3C Checked 2026-10-09.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Ham RadioWhat effect does fog or rain have on 10-meter and 6-meter band signals?Ham RadioWhen is 10 meters usually best for long-distance F region propagation?Ham RadioWhere can a Technician use voice (phone) on the 10-meter band?

That's stuff everyone should know.