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View (Locked) Master Challenge "SUBMARINE ELF COMMUNICATION"
The 89 total letters contain these 26 different letters and numbers: 0234ABCDEFGHILMNOPQRTUWXYZ
Challenge Name
Challenge Region:
---Select a Region---
North America
European
Challenge Manager:
---Select a Manager for this Challenge---
WB5RVZ
WB5RVZ
PA5LR
K1YAN
KK4ITX
N1AOK
AA5MIN
Challenge Words
Challenge Word
Letters
Action
1
2
>
EXTREMELY LOW FREQUENCY
CEFLMNOQRTUWXY
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30 TO 300 HZ
03HOTZ
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BELL RINGER FUNCTION
BCEFGILNORTU
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GROUND DIPOLE
DEGILNOPRU
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NARROW DATA BANDWIDTH
ABDHINORTW
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