Brian McGinness, N3OC Contest Operating – M/S and M/2
Dec 26, 2015
Multi-single and Multi-two Operating
Definitions
Multi-single:• One run radio & one multiplier radio• Multiple operators• OK to use packet
Multi-two:• Two run radios (no multiplier radio)• Multiple Operators• OK to use packet
Multi-single and Multi-two Operating
Benefits
• Less operators than multi/multi
• Less equipment – easy to convert a single-op station
• Excellent training ground for new contesters
• Opportunity to always have a fresh operator on
Multi-single and Multi-two Operating
Know the Rules – Multi/Single
CQ Contests
• One run station with 10 minute QSY rule• Multiplier station OK on one other band• Packet spotting permitted• Logs violating the above reclassified as multi/multi
Multi-single and Multi-two Operating
Know the Rules – Multi-single
ARRL HF Contests
• One run station limited to 6 band changes per hour• No multiplier station allowed• Packet spotting permitted• Logs violating the above reclassified as multi/multi
Multi-single and Multi-two Operating
Know the Rules – Multi/two
CQWW & CQWW WPX
• Two run stations, no multiplier station allowed• Maximum of 8 band changes per hour• Packet spotting permitted• Log must indicate which transmitter made the QSO• Logs violating the above reclassified as multi/multi
Multi-single and Multi-two Operating
Know the Rules – Multi/two
ARRL HF Contests
• Two run stations limited to 6 band changes per hour• Unused band changes can’t be given to other station• No multiplier station allowed• Packet spotting permitted• Logs violating the above reclassified as multi/multi
Multi-single and Multi-two Operating
Station Equipment
Splitting a tribander stack for multi/two operation on two high bands using the AUX
relay
Multi-single and Multi-two Operating
Station Equipment
Remote antenna switch, such as the
WX0B six-pack
Multi-single and Multi-two Operating
Operating Strategy – Multi/single
• Very similar to single op assisted but with addition of multiplier radio
• Run on the highest open band
• Don’t miss any multipliers on your two bands!
• Take advantage of fresh operators
Multi-single and Multi-two Operating
Operating Strategy – Multi/single
• Consider the use of an additional interlocked radio on the run band
Multi-single and Multi-two Operating
Operating Strategy – Multi/two
• Run on the highest two open bands
• Split the tribander stack until 10/15 are done
• Consider the use of two interlocked radios on the run bands
• Take advantage of fresh operators