Date of TRC DIGI Contest 2025
The contest will take place during the second weekend of December - 13th to 14th December 2025, from 06:00 UTC on Saturday to 18:00 UTC on Sunday.
The total length of the contest is 36 hours.
Single Operator stations can work a maximum of 24 hours; the remaining time must include mandatory breaks of at least 60 minutes without logging QSO.
Multi Operator stations can transmit for the entire 36 hours.
Bands
160 m, 80 m, 40 m, 20 m, 15 m, and 10 m - with mandatory adherence to IARU bandplan.
Mode
RTTY
Contest categories
Categories are divided for TRC membersanon-TRC members.
NON-TRC participants
SO/AB/HP - Single Op, All Bands, High Power
SO/AB/LP - Single Op, All Bands, Low Power
SO/TB/HP - Single Op, Three Bands, High Power
SO/TB/LP - Single Op, Three Bands, Low Power
SO/10 - Single Op 10 m
SO/15 - Single Op 15 m
SO/20 - Single Op 20 m
SO/40 - Single Op 40 m
SO/80 - Single Op 80 m
SO/160 - Single Op 160 m
MO - Multi Operator, One Transmitter, All Bands
SO/AB/Low power operation - Single Op, All Bands, QRP
TRC members
The same categories as for non-members, including QRP, three bands, all bands, and Multi Op.
Power restrictions
Low Power: max. 100 W
Low power operation: max. 5 W on any band
Contest connections
Exchange
NON-TRC stations:RST + serial number (e.g. 599 001)
TRC stations: RST + serial number + TRC (e.g. 599 001TRC)
Scoring
QSO between continents = 2 points
QSO on the same continent = 1 point
QSO with TRC station = 10 points
QSO between TRC members = 1 point
Multipliers
Long distance communicationCC countries on each band
TRC DXCC countries on each band (if TRC stations from that country were worked)
Final score
Sum of QSO points × final number of multipliers
Detailed examples of point calculation are provided in the original rules. They illustrate the evaluation of both TRC and non-TRC stations - the difference is mainly in 10-point connections with TRC.
Trophies and awards
Trophies and diplomas are awarded for the best performance in various categories.
Conditions for physical trophies:
500 valid QSOs in 3-bands and Multi Op categories
300 QSOs in QRP
150 QSOs for winners of SO/160 m and SO/10 m
300 QSOs in other categories for a paper diploma sent by mail
200 QSOs for an electronic diploma for winning in the country
QSOs in TRC DIGI Contest are also valid for all TRC diplomas.
Organizers note that trophies will only be sent to confirmed addresses of winners - therefore, they ask all participants to update their information after the end of the competition.
Electronic logs
Electronic logs in CABRILLO format must be sent through:
https://trcLong distance communication.org/upload-logs
In case of problems, you can use email:
logs-trcdigi@trcLong distance communication.org
Important:
In the CABRILLO file, the TRC designation must be without spaces - for example: 599 001TRC.
Always include in the subject of the email call sign.
Example of Cabrillo header:
Field : TRC: TRC only filled in by TRC members.
Log deadline
Logs must be sent within seven days, at the latest December 21, 2025 at 23:59 UTC.
Later logs may be included in the results, but no claim to an award arises.
Results will be posted on the TRC website after verification.
General requirements for logs
Logs must be in CABRILLO format.
Electronic logs are mandatory especially for all high-power stations.
All times are recorded in UTC.
Each transmitted and received exchange must be recorded.
File name: Your call log.
The header must include the category and postal address for award delivery.
Manually written logs must contain complete data for each QSO.
Point calculation is not necessary - the commission software will do it.
Leave duplicate connections in the log.
The decision of the TRC Contest Committee is final.