Target Stations - August 2025 MDC Digital EmComm Challenge
Calling all operators to participate in the August MDC Section Digital EmComm Challenge. There are opportunities to participate on VHF, UHF, and HF. You can be outside of the MDC section to participate. All licensed operators are welcome!
VarAC HF Opportunities
| Callsign(s) | Mode | Frequencies | Dates/Hours of Operation | Live Chat | Notes |
|---|---|---|---|---|---|
| N3HU | Advanced / AWAY |
40M Slot 13: 7.107.250 MHz 30M Slot 3: 10.130.750 MHz 20M Slot 13: 14.107.250 MHz |
7-10 July / 24 Hr Except 0730–0830 & 1830–1930 (Local) |
Available via Winlink email request | — |
| KB3SPH, AC3EW, N3XL | Advanced / AWAY |
40M Slot 13: 7.107.250 MHz 30M Slot 3: 10.130.750 MHz 20M Slot 13: 14.107.250 MHz |
Various (see notes) | — |
1. Check Winlink.org Positions map for schedules. 2. Use VarAC’s PSK Reporter Map for beaconing stations. 3. Update VarAC_alert_tags.conf for audible alerts.4. Suggested frequency drop-down edits: a. 14.107.250 under 20m b. 7.107.250 under 40m c. 3.597.250 under 80m d. 10.130.750 under 30m |
| KN3U | Advanced / AWAY | See Winlink Position Map | 9–10 Aug / 0800–2200 ET | — | Frequency not listed; check map |
WINLINK HF Opportunities
| Callsign | Mode | Band | Frequency | Dates/Hours of Operation | Bandwidth |
|---|---|---|---|---|---|
| AC3EW | Vara HF P2P | 40M | 7.091.000 MHz (Center: 7092.500 kHz) |
Fri 8 Aug / 1200–1630 | Standard |
| N3HU-9 | Vara HF P2P | 40M | 7.102 MHz | 7–10 Aug / 24 Hr Except 0730–0830 & 1830–1930 (Local) |
Standard |
| KB3SPH | Vara HF P2P | 40M | 7.065.000 MHz | 7 Aug / 0000–2359 ET 8 Aug / 0000–1830 ET |
500 Hz |
| N3XL | Vara HF P2P | 80M | 3.598.000 MHz | 7–8 Aug / 24 Hr ET | 500 Hz |
| KN3U | Vara HF P2P | 80M | 3.591.5 MHz | 7–8 Aug / 0800–2200 ET | 500 Hz |
VarAC FM P2P Opportunities
| Callsign | Band | Frequency | Mode | Dates/Hours of Operation | Digi Path(s) | Live Chat Option |
|---|---|---|---|---|---|---|
| N3HU | 2M | 145.010 MHz | Advanced AWAY | 7–10 Aug / 24 Hr | VIA N3HU-10, VIA W3AAC-10, AB3YY-10, VIA W3AAC-11 | Available via Winlink email request |
| KB3SPH | 2M | 145.090 MHz | Advanced AWAY | 9–10 Aug / 24 Hrs ET | VIA WM3M-10, VIA KD3JA-10 → WM3M-10 | — |
| N3WOF | 2M | 145.010 MHz | Advanced AWAY | 9–10 Aug / 1700–2200 ET | VIA W3AAC-11, VIA W3AAC-10, VIA N3HU-10 → W3AAC-11 | — |
| N3XL | 2M | 145.750 MHz | Advanced AWAY | 9–10 Aug / 24 Hrs ET | VIA WA3YOO-9 | — |
| KN3U | 2M | 145.750 MHz | Advanced AWAY | 9–10 Aug / 0800–2200 ET | VIA WA3YOO-9 | — |
WINLINK VarAC FM Opportunities
| Callsign | Band | Frequency | Mode | Dates/Hours of Operation | Digi Path(s) |
|---|---|---|---|---|---|
| AC3EW | 70cm | 441.000 MHz | Vara FM P2P | Thu 7 Aug 2000 – Fri 8 Aug 1200 Fri 8 Aug 2030 – Sat 9 Aug 1200 |
KF3AK-11 W8IS-11 → KF3AK-11 |
| KB3SPH | 2M | 145.090 MHz | Vara FM P2P | 7–8 Aug / 24 Hrs ET | WM3M-10 KD3JA-10 → WM3M-10 |
| N3WOF | 2M | 145.010 MHz | Vara FM P2P | 7–8 Aug / 1700–2200 ET | W3AAC-11 W3AAC-10 N3HU-10 → W3AAC-11 |
| N3XL | 2M | 145.750 MHz | Vara FM P2P | 7–8 Aug / 24 Hrs ET | WA3YOO-9 |
| KN3U | 2M | 145.750 MHz | Vara FM P2P | 7–8 Aug / 0800–2200 ET | WA3YOO-9 |
HF FLDIGI Opportunity
| Callsign | Band | Frequency | Mode | Dates/Hours of Operation |
|---|---|---|---|---|
| KB3SPH | 40M | 7.066.000 MHz | MFSK32 | 8 Aug / 1900–2000 ET 9 Aug / 0800–0900 ET |
Written on August 6, 2025