🛰️ GCARC Satellite Report
June 27 offers 6 passes during the 9 AM–3 PM window — 5 FM and 1 linear transponder opportunities. Top passes: JO-97 (excellent at 67°, 10:54 AM), AO-123 (good at 45°, 09:02 AM), SO-50 (good at 41°, 01:53 PM). Note: AO-123 and JO-97 at 10:47 AM overlap — assign two operators.
| Start (ET) | Satellite | Mode | Quality | Dir | Dur | Frequencies |
|---|---|---|---|---|---|---|
| 09:02 AM Peak: 09:11 AM |
AO-123 | FM | ✅ Good 45° | E | 17 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 10:18 AM Peak: 10:23 AM |
AO-91 | FM | Low 14° | W | 10 min | 435.250 ↑ / 145.960 ↓ PL 67.0 Hz |
| 10:31 AM Peak: 10:38 AM |
AO-7 | Linear 🎛️ | Low 12° | NW | 15 min | 432.125-432.175 ↑ / 145.925-145.975 ↓ Linear Mode B SSB/CW |
| 10:47 AM Peak: 10:55 AM |
AO-123 | FM | Fair 30° | WNW | 16 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 10:54 AM Peak: 10:59 AM |
JO-97 | FM | ⭐ Excellent 67° | E | 10 min | 145.850 ↑ / 435.910 ↓ PL 88.5 Hz |
| 01:53 PM Peak: 01:59 PM |
SO-50 | FM | ✅ Good 41° | ESE | 13 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
📡 Frequency Reference — Saturday, June 27
- AO-123 (FM): ↑ 145.850 MHz / ↓ 435.400 MHz, PL 67.0 Hz
- AO-91 (FM): ↑ 435.250 MHz / ↓ 145.960 MHz, PL 67.0 Hz
- AO-7 (Linear Mode B SSB/CW): ↑ 432.125-432.175 MHz / ↓ 145.925-145.975 MHz
- JO-97 (FM): ↑ 145.850 MHz / ↓ 435.910 MHz, PL 88.5 Hz
- SO-50 (FM): ↑ 145.850 MHz / ↓ 436.795 MHz, PL 74.4 Hz
July 04 offers 10 passes during the 9 AM–3 PM window — 8 FM and 2 linear transponder opportunities. Top passes: SO-50 (excellent at 88°, 12:35 PM), AO-123 (good at 49°, 09:09 AM), RS-44 (good at 41°, 02:35 PM). Note: AO-7 and AO-123 at 09:08 AM overlap — assign two operators.
| Start (ET) | Satellite | Mode | Quality | Dir | Dur | Frequencies |
|---|---|---|---|---|---|---|
| 09:08 AM Peak: 09:18 AM |
AO-7 | Linear 🎛️ | ✅ Good 36° | NW | 20 min | 432.125-432.175 ↑ / 145.925-145.975 ↓ Linear Mode B SSB/CW |
| 09:09 AM Peak: 09:17 AM |
AO-123 | FM | ✅ Good 49° | E | 17 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 10:25 AM Peak: 10:30 AM |
JO-97 | FM | Fair 25° | E | 10 min | 145.850 ↑ / 435.910 ↓ PL 88.5 Hz |
| 10:34 AM Peak: 10:39 AM |
AO-91 | FM | Low 9° | W | 9 min | 435.250 ↑ / 145.960 ↓ PL 67.0 Hz |
| 10:54 AM Peak: 11:01 AM |
AO-123 | FM | Fair 28° | WNW | 15 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 10:58 AM Peak: 11:03 AM |
SO-50 | FM | Low 9° | ESE | 10 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
| 11:58 AM Peak: 12:03 PM |
JO-97 | FM | Fair 17° | WNW | 9 min | 145.850 ↑ / 435.910 ↓ PL 88.5 Hz |
| 12:35 PM Peak: 12:42 PM |
SO-50 | FM | ⭐ Excellent 88° | NNE | 13 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
| 02:17 PM Peak: 02:22 PM |
SO-50 | FM | Low 15° | NW | 11 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
| 02:35 PM Peak: 02:45 PM |
RS-44 🌍 | Linear 🎛️ | ✅ Good 41° | ENE | 19 min | 145.935-145.995 ↑ / 435.610-435.670 ↓ Linear SSB/CW |
📡 Frequency Reference — Saturday, July 04
- AO-7 (Linear Mode B SSB/CW): ↑ 432.125-432.175 MHz / ↓ 145.925-145.975 MHz
- AO-123 (FM): ↑ 145.850 MHz / ↓ 435.400 MHz, PL 67.0 Hz
- JO-97 (FM): ↑ 145.850 MHz / ↓ 435.910 MHz, PL 88.5 Hz
- AO-91 (FM): ↑ 435.250 MHz / ↓ 145.960 MHz, PL 67.0 Hz
- SO-50 (FM): ↑ 145.850 MHz / ↓ 436.795 MHz, PL 74.4 Hz
- RS-44 (Linear SSB/CW): ↑ 145.935-145.995 MHz / ↓ 435.610-435.670 MHz
| System | Frequency | Status |
|---|---|---|
| ISS APRS (RS0ISS) | 145.825 MHz | Check ariss-usa.org/ARISS_APRS/ for live packets |
| Crossband FM Repeater (NA1SS) | 145.990 ↑ / 437.800 ↓ (PL 67) | Check ARISS for current activation status |
| Voice (ARISS school contacts) | 145.800 MHz | See ariss.org for schedule |
ISS passes Saturday June 27 (9 AM–3 PM ET):
- No high-elevation ISS passes during Saturday operating window
RS-44 continues to offer cross-Atlantic DX opportunities on low-to-moderate eastern passes where the footprint covers both New Jersey and Europe simultaneously. Passes below ~55° from ENE/E/ESE favor cross-Atlantic geometry. All times ET, 8 AM–10 PM window only.
| Date / Time (ET) | Max El. | Direction | Duration | Notes |
|---|---|---|---|---|
| Sun Jun 21, 03:08 PM | 17° | ENE 🌍 | 16 min | Cross-Atlantic DX geometry |
| Sun Jun 21, 05:00 PM | ⭐ 80° | W | 19 min | Domestic / high-elevation |
| Sun Jun 21, 06:55 PM | 11° | WNW | 13 min | Domestic / high-elevation |
| Mon Jun 22, 03:31 PM | 28° | ENE 🌍 | 18 min | Cross-Atlantic DX geometry |
| Mon Jun 22, 05:24 PM | ✅ 49° | W | 19 min | Domestic / high-elevation |
| Tue Jun 23, 03:54 PM | ✅ 45° | E 🌍 | 19 min | Cross-Atlantic DX geometry |
| Tue Jun 23, 05:48 PM | 29° | W | 17 min | Domestic / high-elevation |
| Wed Jun 24, 02:26 PM | 11° | NE | 14 min | Domestic / high-elevation |
| Wed Jun 24, 04:18 PM | ⭐ 73° | E 🌍 | 19 min | Cross-Atlantic DX geometry |
| Wed Jun 24, 06:12 PM | 17° | W | 16 min | Domestic / high-elevation |
| Thu Jun 25, 02:49 PM | 19° | ENE 🌍 | 17 min | Cross-Atlantic DX geometry |
| Thu Jun 25, 04:42 PM | ⭐ 71° | W | 19 min | Domestic / high-elevation |
| Thu Jun 25, 06:37 PM | 9° | WNW | 12 min | Domestic / high-elevation |
| Fri Jun 26, 03:12 PM | ✅ 32° | ENE 🌍 | 18 min | Cross-Atlantic DX geometry |
| Fri Jun 26, 05:06 PM | ✅ 43° | W | 18 min | Domestic / high-elevation |
| Sat Jun 27, 03:36 PM | ⭐ 51° | E 🌍 | 19 min | Cross-Atlantic DX geometry |
| Sat Jun 27, 05:30 PM | 26° | W | 17 min | Domestic / high-elevation |
| Sun Jun 28, 02:07 PM | 13° | ENE 🌍 | 15 min | Cross-Atlantic DX geometry |
| Sun Jun 28, 04:00 PM | ⭐ 83° | E 🌍 | 19 min | Cross-Atlantic DX geometry |
| Sun Jun 28, 05:54 PM | 15° | W | 15 min | Domestic / high-elevation |
| Mon Jun 29, 02:30 PM | 22° | ENE 🌍 | 17 min | Cross-Atlantic DX geometry |
| Mon Jun 29, 04:23 PM | ⭐ 62° | W | 19 min | Domestic / high-elevation |
AMSAT’s StOTA Days are the 1st and 3rd Tuesday of each month — student-to-student satellite contacts encouraged. All satellite operators welcome to get on and make students feel welcome.
Upcoming StOTA Tuesdays — Woodruff Middle School (2:00–3:30 PM ET window):
| Date | Passes Available |
|---|---|
| Tue, Jun 23 | SO-50 02:24 PM (20°) |
| Tue, Jun 30 | SO-50 02:46 PM (24°) |
Equipment on site: Yaesu FT-991A (FM satellites). Good targets: JO-97, AO-123, SO-50, ISS FM repeater.
Hamvention 2026 — May 15–17, Xenia OH: AMSAT forum Saturday May 16, 1:50–3:10 PM, Forum Room 2. TAPR/AMSAT Banquet Friday May 15, 6:30 PM, $75, Kohler Presidential Banquet Center — purchase deadline May 11 at 5 PM EDT. AMSAT booth: Building 1, booths 1007–1010 and 1107–1110.
44th AMSAT Space Symposium — October 8–11, 2026 · Crowne Plaza JAX Airport, Jacksonville FL. Rooms $109/night. Watch AMSAT News Service for registration details.
W2MMD on SatNOGS: The clubhouse ground station is Station #223 — one of the most capable receiving sites in the Northeast. Schedule an observation at network.satnogs.org/stations/223.
Ten-Koh 2 (NORAD #68261, Nihon University 6U CubeSat, V/U linear transponder): Weak signals only — faint CW on 435.860 MHz. Okuyama Lab requesting SatNOGS reception reports. Upload a waterfall — null results are also useful data.
- SO-50: Arm with 2-second 74.4 Hz tone burst before transmitting (10-minute timer)
- AO-7: Mode B only when in sunlight — shuts down in eclipse (no battery)
- RS-44 & FO-29: Inverting V/u transponder — transmit LSB on uplink, receive USB on downlink
- AO-73 (FUNcube-1): Active in eclipse — inverting V/u: up LSB 435.130–435.150 / dn USB 145.950–145.970 MHz
- JO-97 (FO-118): Also has linear transponder: up LSB 435.100–435.120 / dn USB 145.855–145.875 MHz
- Pass predictions ±2 min — data from N2YO.com, coordinates 39.73°N 75.21°W
