1. Objective: Amateurs worldwide contact and exchange QSO information with other amateurs using digital modes (Baudot RTTY, ASCII, AMTOR, PSK31, PSK63, and Packet—attended operation only) on 80, 40, 20, 15, and 10 meter bands. Any station may work any other station. Stations may be worked once per band, regardless of mode.
2. Date and Contest Period: First full weekend of January, but never on Jan. 1. Begins 1800 UTC Saturday, ends 2400 UTC Sunday (January 2-3, 2016).
2.1. No entrant may operate more than 24 hours out of the 30-hour contest period.
2.2. The six hours of off time must be taken in no more than two blocks.
2.3. All entrants are allowed only one transmitted signal at any given time.
3. Entry Categories:
3.1. Single Operator: The use of spotting assistance or automated, multi-channel decoders is not permitted.
3.1.1. Low Power: 150 watts transmitter output or less.
3.1.2. High Power: Maximum transmitter output of 1500 watts or license limit, whichever is less.
3.2. Single Operator Unlimited: The use of spotting assistance or automated, multi-channel decoders is permitted.
3.2.1. Low Power: 150 watts transmitter output or less.
3.2.2. High Power: Maximum transmitter output of 1500 watts or license limit, whichever is less.
3.3. Multioperator, Single Transmitter:
3.3.1. Low Power: 150 watts transmitter output or less.
3.3.2. High Power: Maximum transmitter output of 1500 watts or license limit, whichever is less.
3.3.3. Includes those that receive assistance with logging or relief operators, etc.
3.3.4. Multioperator stations are limited to 6 band changes (maximum) in any clock hour.
3.3.5. The clock hour is from zero through 59 minutes.
3.3.6. Band changes are defined so that, for example, a change from 20 meters 15 meters and then back to 20 meters constitutes two band changes.
4.1. United States: Signal report and State.
4.2. Canada: Signal report and Province.
4.3. DX: Signal report and consecutive serial number, starting with 001.
5.1. QSO Points: Count one point for each completed QSO.
5.2. Multipliers: Each US state (except KH6 and KL7) plus the District of Columbia (DC), Canadian provinces/territories: NB (VE1, 9), NS (VE1), QC (VE2), ON (VE3), MB (VE4), SK (VE5), AB (VE6), BC (VE7), NWT (VE8), NF (VO1), LB (VO2), NU (VYØ), YT (VY1), PEI (VY2) and each DXCC country. KH6 and KL7 count only as separate DXCC entities.
5.2.1. Multipliers count only once (not once per band).
5.2.2. The US and Canada do not count as DXCC entities.
6.1. All entries must be postmarked or emailed by 2359 UTC Tuesday, February 2, 2016.
6.2. Logs in Cabrillo format format may be uploaded via the online service or emailed to RTTYRU@arrl.org.
6.3. All logs that are created electronically are required to submit their electronic log file in Cabrillo file format. A print out of an electronically generated log is not an acceptable substitute. A hand-written log that is later entered into a logging or other electronic program is considered an electronically generated log and must meet electronic file requirements.
6.4. The Cabrillo entries include the header and the complete QSO list.
6.5. Logs not in Cabrillo format may be submitted by using the web app online service to convert the information to Cabrillo format.
6.6. Hand-logged entries may be submitted to RTTY Round-Up, ARRL, 225 Main St, Newington, CT 06111.
7.1. Packet radio contacts made through digipeaters or gateways are not permitted.
7.2. All ARRL Contest rules and forms may be obtained from the Contest Branch by sending an SASE with 2 units of postage.
7.3. For contest information contact firstname.lastname@example.org or (860) 594-0232
8.1. Certificates will be awarded to:
8.1.1. Top high power and low power Single Operator and Multioperator scorers in each ARRL/RAC Section.
8.1.2. Top high power and low power Single Operator and Multioperator scorers in each DXCC country (other than W/VE).
8.2. Plaques, if sponsored, will be awarded to the top scoring low and high power entrant in each category overall, each ARRL Division, and Canada.
8.2.1. Unsponsored plaques may be purchased from the ARRL.