Updated: Dec 9, 2025 | Source: 2024-2028 Question Pool | Topic: E2C
E2C02E2C

Which of the following file formats is used for exchanging amateur radio log data?

Deep Dive: E2C02

The correct answer is C: ADIF. Which of the following file formats is used for exchanging amateur radio log data is ADIF. ADIF (Amateur Data Interchange Format) is the standard format for exchanging log data. For amateur radio operators, this is important for log management. Understanding this helps when exchanging logs.

Why Other Answers Are Wrong

Option A (NEC): Incorrect. NEC isn't a log format - it's antenna modeling software. NEC isn't the format. Option B (ARLD): Incorrect. ARLD isn't a log format - ADIF is the standard log format. ARLD isn't the format. Option D (OCF): Incorrect. OCF isn't a log format - it's an antenna type (Off-Center Fed). OCF isn't the format.

Exam Tip

Amateur radio log format = ADIF. Think 'A'mateur 'L'og = 'A'DIF. ADIF (Amateur Data Interchange Format) is the standard format for exchanging log data. Not NEC, not ARLD, not OCF - just ADIF.

Memory Aid

Amateur radio log format = ADIF. Think 'A'mateur 'L'og = 'A'DIF. ADIF (Amateur Data Interchange Format) is the standard format for exchanging log data. Important for log management.

Real-World Example

Exchanging amateur radio log data: ADIF (Amateur Data Interchange Format) is the standard file format used. Most logging software can import and export ADIF files, making it easy to exchange log data between different programs. This is the format - ADIF is used for exchanging log data.

Source & Coverage

Question Pool: 2024-2028 Question Pool

Subelement: E2C

Reference: 2024-2028 Question Pool · E2 - Operating Procedures

Key Concepts

File format Amateur radio log data ADIF Amateur Data Interchange Format

Verified Content

Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E2C topic.