|
id
INTEGER
|
14364 |
|
iadc_material_id
INTEGER
|
1842 → iadc_discovered_materials |
|
spec_type
VARCHAR
|
specification |
|
key
VARCHAR
|
spec_1 |
|
value
TEXT
|
Frequency range 1.6-27.5 MHz |
|
key_normalized
VARCHAR
|
spec_1 |
|
value_normalized
VARCHAR
|
frequency range 1.6-27.5 mhz |
|
value_numeric
DOUBLE_PRECISION
|
27.5 |
|
unit
VARCHAR
|
range |
|
created_at
TIMESTAMP
|
2026-04-30T14:00:53.270474 |
|
source_page
INTEGER
|
null |
|
source_context
TEXT
|
Frequency range 1.6-27.5 MHz |