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In 2025, the days of activity «01-10» will be held according to the new rules from 00:00 UTC on January 1 to 23:59 UTC on January 10 on all HF and VHF bands.  The days of activity «01-10» are a unique opportunity to master many digital protocols in a short time and consolidate skills in practical work with various digital modes of radio communication. Receiving reports is only 5 days. Licensed amateur radio operators and SWL can fulfill the conditions of a special certificate. Three prizes will be raffled off among the participants of the activity who will conduct QSOs (observations) with 10 or more digital modes. We wish you success in «01-10» and good luck in the prize draw.

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For diploma hunters, participation in «01-10» and other days of activity and contests of our club is a good opportunity to complete RDRC diplomas.
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General rules:
All radio amateurs in the world can take part in the days of activity. QSOs are counted by any digital modes. Repeated QSOs (observations) can be carried out using various digital MODES and SUBMODES on one band and on other bands, but only the number of different digital MODES is taken into account. Short QSOs with minimal information exchange are welcome: RSQ, name, locator. It is allowed to conduct communications by prior arrangement (sked), as well as sending spots to clusters. We invite participants to use the RDRC Digi spots club cluster. We recommend using narrowband protocols. Digital competitions can be held simultaneously with «01-10», QSOs in which are also counted as days of activity.

Subgroups of participants of the days of activity «01-10»:
1. Far Eastern Federal District of Russia
2. Volga Federal District
3. Northwestern Federal District
4. North Caucasian Federal District
5. Siberian Federal District
6. Ural Federal District
7. Central Federal District
8. The Southern Federal District and Novorossiya
9. Foreign participants
10. SWL

For the QSOs in the digital modes the following schedule:

JANUARY	MODE(SUBMODE)	comments 2025
1	MFSK(MFSK16), T10 + FT4, FT8, PSK, RTTY	08:00-10:59 UTC SARTG New Year RTTY
2	CONTESTI, DOMINO + FT4, FT8, PSK, RTTY
3	ROS, PSK(SIM31) + FT4, FT8, PSK, RTTY
4	THOR, JT65 + FT4, FT8, PSK, RTTY	18:00 UTC 4 jan - 23:59 UTC 5 jan
5	JT9 + FT4, FT8, PSK, RTTY	ARRL RTTY Roundup
6	MT63, HELL, T10 + FT4, FT8, PSK, RTTY
7	THRB, OLIVIA + FT4, FT8, PSK, RTTY
8	DOMINO, MFSK(MFSK16), OLIVIA, THOR + FT4, FT8, PSK, RTTY
9	CONTESTI, HELL, JT65, JT9, T10 + FT4, FT8, PSK, RTTY
10	MT63, THRB, JT65, JT9, T10 + FT4, FT8, PSK, RTTY

 
HF bands and recommended frequencies:

Recommended software:
We recommend to use a multi-mode programs Fldigi, MultiPSK, MixW, JTD and other programs for individual digital modes. Many programs you can download on the club website in the "Archive of programs for radio digital modes".

Log Instructions:
We draw your attention to the correct spelling in the hardware MODE log according to the adif specification. Participants need to send the hardware log in adif format (.adi) to the email address 01-10(at)rdrclub.ru (replace the (at) characters with the @ symbol) by 23.59 UTC on January 15. Confirmation of receipt of your report is the publication of the call sign in the list of received reports on the RDRC website. In the subject of the letter and in the name of the adif file, you need to specify your call sign (for example, RK3DSW.adi), in the text of the letter, be sure to provide your FIRST and LAST NAME.

The occupied places in the subgroups are distributed by the number of MODES, then by the number of QSOs. If these indicators are equal, the number of unique correspondents is taken into account, then the number of bands. Are summed up Digital Activity Days, see more information: 01-10 ACTIVITY.

Awards:
Three prizes with the participants' call signs and the club's logo will be drawn in a lottery between the participants of the activity, who will conduct QSOs (observations) in at least 10 digital MODES:

- the first prize will be in the subgroups of the Northwestern, Central, Southern Federal District and Novorossiya, North Caucasian Federal District;
- the second prize is in the subgroups of the Volga, Ural, Siberian and Far Eastern Federal Districts;

- the third prize is in the subgroups of foreign participants and SWL.

Certificates in electronic form are issued on the RDRC awards website to all participants of «01-10» for occupied places in subgroups.