E2C Contest and DX operating; remote operation techniques; log data format; contact confirmation; RF network systems
- E2C01 (D)
What indicator is required to be used by US-licensed operators when operating a station via remote control and the remote transmitter is located in the US? #card
- A. / followed by the USPS two-letter abbreviation for the state in which the remote station is located
- B. /R# where # is the district of the remote station
- C. / followed by the ARRL Section of the remote station
- D. No additional indicator is required
- E2C02 (C)
Which of the following file formats is used for exchanging amateur radio log data? #card
- E2C03 (A)
From which of the following bands is amateur radio contesting generally excluded? #card
- A. 30 meters
- B. 6 meters
- C. 70 centimeters
- D. 33 centimeters
- E2C04 (B)
Which of the following frequencies can be used for amateur radio mesh networks? #card
- A. HF frequencies where digital communications are permitted
- B. Frequencies shared with various unlicensed wireless data services
- C. Cable TV channels 41-43
- D. The 60-meter band channel centered on 5373 kHz
- E2C05 (B)
What is the function of a DX QSL Manager? #card
- A. Allocate frequencies for DXpeditions
- B. Handle the receiving and sending of confirmations for a DX station
- C. Run a net to allow many stations to contact a rare DX station
- D. Communicate to a DXpedition about propagation, band openings, pileup conditions, etc.
- E2C06 (C)
During a VHF/UHF contest, in which band segment would you expect to find the highest level of SSB or CW activity? #card
- A. At the top of each band, usually in a segment reserved for contests
- B. In the middle of each band, usually on the national calling frequency
- C. In the weak signal segment of the band, with most of the activity near the calling frequency
- D. In the middle of the band, usually 25 kHz above the national calling frequency
- E2C07 (A)
What is the Cabrillo format? #card
- A. A standard for submission of electronic contest logs
- B. A method of exchanging information during a contest QSO
- C. The most common set of contest rules
- D. A digital protocol specifically designed for rapid contest exchanges
- E2C08 (D)
Which of the following contacts may be confirmed through the Logbook of The World (LoTW)? #card
- A. Special event contacts between stations in the US
- B. Contacts between a US station and a non-US station
- C. Contacts for Worked All States credit
- D. All these choices are correct
- E2C09 (C)
What type of equipment is commonly used to implement an amateur radio mesh network? #card
- A. A 2-meter VHF transceiver with a 1,200-baud modem
- B. A computer running EchoLink to provide interface from the radio to the internet
- C. A wireless router running custom firmware
- D. A 440 MHz transceiver with a 9,600-baud modem
- E2C10 (D)
Why do DX stations often transmit and receive on different frequencies? #card
- A. Because the DX station may be transmitting on a frequency that is prohibited to some responding stations
- B. To separate the calling stations from the DX station
- C. To improve operating efficiency by reducing interference
- D. All these choices are correct
- E2C11 (A)
How should you generally identify your station when attempting to contact a DX station during a contest or in a pileup? #card
- A. Send your full call sign once or twice
- B. Send only the last two letters of your call sign until you make contact
- C. Send your full call sign and grid square
- D. Send the call sign of the DX station three times, the words “this is,” then your call sign three times
- E2C12 (C)
What indicates the delay between a control operator action and the corresponding change in the transmitted signal? #card
- A. Jitter
- B. Hang time
- C. Latency
- D. Anti-VOX
