🛰️ GCARC Satellite Report
August 08 offers 14 passes during the 9 AM–3 PM window — 11 FM and 3 linear transponder opportunities. Top passes: RS-44 (excellent at 79°, 11:24 AM), AO-123 (excellent at 68°, 09:39 AM), ISS-FM (good at 42°, 09:50 AM). Note: RS-44 and AO-123 at 09:32 AM overlap — assign two operators.
| Start (ET) | Satellite | Mode | Quality | Dir | Dur | Frequencies |
|---|---|---|---|---|---|---|
| 09:32 AM Peak: 09:41 AM |
RS-44 🌍 | Linear 🎛️ | Low 15° | ENE | 17 min | 145.935-145.995 ↑ / 435.610-435.670 ↓ Linear SSB/CW |
| 09:39 AM Peak: 09:48 AM |
AO-123 | FM | ⭐ Excellent 68° | E | 17 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 09:50 AM Peak: 09:55 AM |
ISS-FM ⭐ | FM | ✅ Good 42° | NW | 10 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
| 10:08 AM Peak: 10:14 AM |
AO-91 | FM | Fair 17° | W | 10 min | 435.250 ↑ / 145.960 ↓ PL 67.0 Hz |
| 10:42 AM Peak: 10:47 AM |
JO-97 | FM | ✅ Good 39° | E | 10 min | 145.850 ↑ / 435.910 ↓ PL 88.5 Hz |
| 11:15 AM Peak: 11:22 AM |
SO-50 | FM | ✅ Good 36° | NE | 13 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
| 11:24 AM Peak: 11:32 AM |
AO-123 | FM | Fair 22° | NW | 15 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 11:24 AM Peak: 11:35 AM |
RS-44 | Linear 🎛️ | ⭐ Excellent 79° | E | 22 min | 145.935-145.995 ↑ / 435.610-435.670 ↓ Linear SSB/CW |
| 11:28 AM Peak: 11:32 AM |
ISS-FM | FM | Low 13° | N | 9 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
| 12:15 PM Peak: 12:20 PM |
JO-97 | FM | Low 11° | WNW | 8 min | 145.850 ↑ / 435.910 ↓ PL 88.5 Hz |
| 12:55 PM Peak: 01:02 PM |
SO-50 | FM | Fair 25° | WSW | 12 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
| 01:06 PM Peak: 01:10 PM |
ISS-FM | FM | Low 12° | N | 9 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
| 01:19 PM Peak: 01:28 PM |
RS-44 | Linear 🎛️ | Fair 20° | W | 18 min | 145.935-145.995 ↑ / 435.610-435.670 ↓ Linear SSB/CW |
| 02:43 PM Peak: 02:48 PM |
ISS-FM | FM | Fair 29° | NNE | 10 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
📡 Frequency Reference — Saturday, August 08
- RS-44 (Linear SSB/CW): ↑ 145.935-145.995 MHz / ↓ 435.610-435.670 MHz
- AO-123 (FM): ↑ 145.850 MHz / ↓ 435.400 MHz, PL 67.0 Hz
- ISS-FM (FM): ↑ 145.990 MHz / ↓ 437.800 MHz, PL 67.0 Hz
- AO-91 (FM): ↑ 435.250 MHz / ↓ 145.960 MHz, PL 67.0 Hz
- 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
August 15 offers 13 passes during the 9 AM–3 PM window — 11 FM and 2 linear transponder opportunities. Top passes: SO-50 (excellent at 75°, 09:57 AM), AO-123 (excellent at 71°, 09:44 AM), RS-44 (excellent at 65°, 10:24 AM). Note: SO-50 and JO-97 at 09:57 AM overlap — assign two operators.
| Start (ET) | Satellite | Mode | Quality | Dir | Dur | Frequencies |
|---|---|---|---|---|---|---|
| 09:07 AM Peak: 09:11 AM |
ISS-FM | FM | Low 12° | N | 8 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
| 09:44 AM Peak: 09:53 AM |
AO-123 | FM | ⭐ Excellent 71° | E | 18 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 09:57 AM Peak: 10:04 AM |
SO-50 | FM | ⭐ Excellent 75° | NE | 13 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
| 10:05 AM Peak: 10:09 AM |
JO-97 | FM | Low 12° | E | 9 min | 145.850 ↑ / 435.910 ↓ PL 88.5 Hz |
| 10:21 AM Peak: 10:26 AM |
AO-91 | FM | Low 11° | W | 9 min | 435.250 ↑ / 145.960 ↓ PL 67.0 Hz |
| 10:24 AM Peak: 10:35 AM |
RS-44 | Linear 🎛️ | ⭐ Excellent 65° | E | 22 min | 145.935-145.995 ↑ / 435.610-435.670 ↓ Linear SSB/CW |
| 10:44 AM Peak: 10:49 AM |
ISS-FM | FM | Low 13° | N | 9 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
| 11:29 AM Peak: 11:37 AM |
AO-123 | FM | Fair 21° | NW | 15 min | 145.850 ↑ / 435.400 ↓ PL 67.0 Hz |
| 11:37 AM Peak: 11:42 AM |
JO-97 | FM | ✅ Good 32° | WNW | 10 min | 145.850 ↑ / 435.910 ↓ PL 88.5 Hz |
| 11:38 AM Peak: 11:43 AM |
SO-50 | FM | Low 11° | WSW | 10 min | 145.850 ↑ / 436.795 ↓ PL 74.4 Hz |
| 12:18 PM Peak: 12:28 PM |
RS-44 | Linear 🎛️ | Fair 26° | W | 20 min | 145.935-145.995 ↑ / 435.610-435.670 ↓ Linear SSB/CW |
| 12:21 PM Peak: 12:27 PM |
ISS-FM ⭐ | FM | ✅ Good 42° | NE | 10 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
| 01:58 PM Peak: 02:03 PM |
ISS-FM | FM | Fair 21° | SW | 9 min | 145.990 ↑ / 437.800 ↓ PL 67.0 Hz |
📡 Frequency Reference — Saturday, August 15
- ISS-FM (FM): ↑ 145.990 MHz / ↓ 437.800 MHz, PL 67.0 Hz
- AO-123 (FM): ↑ 145.850 MHz / ↓ 435.400 MHz, PL 67.0 Hz
- SO-50 (FM): ↑ 145.850 MHz / ↓ 436.795 MHz, PL 74.4 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
- 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 August 08 (9 AM–3 PM ET):
- 09:50 AM peak 09:55 AM — 42° NW — 10 min — Good
- 02:43 PM peak 02:48 PM — 29° NNE — 10 min — Fair
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 Aug 02, 10:56 AM | 29° | ENE 🌍 | 20 min | Cross-Atlantic DX geometry |
| Sun Aug 02, 12:49 PM | ⭐ 57° | W | 21 min | Domestic / high-elevation |
| Mon Aug 03, 11:19 AM | ✅ 46° | E 🌍 | 21 min | Cross-Atlantic DX geometry |
| Mon Aug 03, 01:13 PM | ✅ 36° | W | 20 min | Domestic / high-elevation |
| Tue Aug 04, 09:51 AM | 13° | ENE 🌍 | 16 min | Cross-Atlantic DX geometry |
| Tue Aug 04, 11:43 AM | ⭐ 71° | E 🌍 | 22 min | Cross-Atlantic DX geometry |
| Tue Aug 04, 01:37 PM | 23° | W | 18 min | Domestic / high-elevation |
| Wed Aug 05, 10:14 AM | 21° | ENE 🌍 | 19 min | Cross-Atlantic DX geometry |
| Wed Aug 05, 12:07 PM | ⭐ 78° | W | 22 min | Domestic / high-elevation |
| Wed Aug 05, 02:02 PM | 13° | W | 16 min | Domestic / high-elevation |
| Thu Aug 06, 10:37 AM | ✅ 33° | ENE 🌍 | 20 min | Cross-Atlantic DX geometry |
| Thu Aug 06, 12:31 PM | ⭐ 51° | W | 21 min | Domestic / high-elevation |
| Fri Aug 07, 11:01 AM | ⭐ 52° | E 🌍 | 21 min | Cross-Atlantic DX geometry |
| Fri Aug 07, 12:55 PM | ✅ 33° | W | 20 min | Domestic / high-elevation |
| Sat Aug 08, 09:32 AM | 15° | ENE 🌍 | 17 min | Cross-Atlantic DX geometry |
| Sat Aug 08, 11:24 AM | ⭐ 79° | E 🌍 | 22 min | Cross-Atlantic DX geometry |
| Sat Aug 08, 01:19 PM | 20° | W | 18 min | Domestic / high-elevation |
| Sun Aug 09, 09:55 AM | 24° | ENE 🌍 | 20 min | Cross-Atlantic DX geometry |
| Sun Aug 09, 11:48 AM | ⭐ 70° | W | 22 min | Domestic / high-elevation |
| Sun Aug 09, 01:43 PM | 12° | WNW | 15 min | Domestic / high-elevation |
| Mon Aug 10, 10:19 AM | ✅ 38° | ENE 🌍 | 21 min | Cross-Atlantic DX geometry |
| Mon Aug 10, 12:12 PM | ✅ 46° | W | 21 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, Aug 04 | No FM passes in 2:00–3:30 PM window — check N2YO closer to date |
| Tue, Aug 11 | No FM passes in 2:00–3:30 PM window — check N2YO closer to date |
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
