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APRS station JH7YVL-1 - show graphs
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Comment: W1,FSn-N Fill-in 144.66MHz 1200bps
Location: 37°10.19' N 140°01.72' E - locator QM07AE30KS - show map - static map
14.1 miles North bearing 355° from Kuroiso, Tochigi, Japan [?]
20.9 miles North bearing 359° from Ōtawara, Tochigi, Japan
42.5 miles North bearing 11° from Utsunomiya-shi, Tochigi, Japan
74.7 miles Southeast bearing 132° from Niigata-shi, Niigata, Japan
Last position: 2021-03-01 23:26:51 EST (8m9s ago)
2021-03-02 13:26:51 JST local time at Kuroiso, Japan [?]
Device: IW3FQG: UIdigi (digi)
Last path: JH7YVL-1>APNU19 via qAR,JE7ZDV-10
Positions stored: 1
Packet rate: 1800 seconds between packets on average during 88219 seconds.
Other SSIDs: JH7YVL-2
APRS digipeater – Statistics for 2021-03:
Stations heard directly: 9 on radio path – show map
Last heard a station directly: 2021-03-01 21:32:09 EST (2h2m ago)
Normal receiver range estimate: 75 miles (Updated: 2020-12-31 01:22:55 EST)
Position packets heard directly: 42 on radio path
Stations near current position of JH7YVL-1 - show more
callsign distance last heard - EST      callsign distance last heard - EST
JH7YVL-21.2 miles 0°2021-03-01 23:05:21 JP7YDO-I1.4 miles 186°2021-03-01 23:19:08
JA/TG-0153.9 miles 250°2021-02-05 18:17:20 JF1KEK4.2 miles 215°2021-02-13 21:49:36
JA/TG-0164.8 miles 229°2021-02-05 22:11:41 7N1FRE/14.8 miles 229°2021-02-05 21:59:24
JK7OSL-97.0 miles 122°2021-02-14 03:40:00 7N4SLQ-59.9 miles 158°2021-03-01 05:30:52
JR1SAE-A11.4 miles 154°2021-02-07 06:47:01 JR1SAE11.4 miles 154°2021-03-01 03:34:10
JG7BHJ-1412.0 miles 108°2021-02-25 04:04:20 JP7GUC-912.2 miles 112°2021-01-31 08:29:29
JP1YGQ-I12.4 miles 173°2021-03-01 23:27:44 JA/FS-15713.6 miles 118°2021-02-17 19:00:09
JS1AUR14.5 miles 176°2021-02-02 21:20:06 JA/FS-24514.8 miles 97°2021-02-17 18:45:35
JA/FS-13716.3 miles 40°2021-02-17 18:26:49 JA/FS-08417.1 miles 34°2021-02-12 20:01:30
JL7KHN20.0 miles 212°2021-02-06 23:30:40 JP7YEX-I20.7 miles 67°2021-03-01 23:20:00
Stations which heard JH7YVL-1 directly on radio –
callsign pkts first heard - EST last heard longest (tx => rx) longest at - EST
JE7ZDV-10 57 2021-02-28 19:26:29 2021-03-01 23:26:51 QM07AE > QM07EJ 25.1 miles 50° 2021-03-01 23:26:51

Only position packets which were originated by the station are shown here. The range statistics show some extra long hops, because some digipeaters do not correctly add themselves to the digipeater path. Please check the raw packets.
Stations heard directly by JH7YVL-1
callsign pkts first heard - EST last heard longest (rx => tx) longest at - EST
JA7HYR-9 10 2021-02-28 19:39:11 2021-03-01 20:14:10 QM07FK > QM07AE 27.6 miles 51° 2021-03-01 19:53:07
JH1JLJ-14 1 2021-03-01 20:23:16 2021-03-01 20:23:16 QM06FM > QM07AE 49.8 miles 150° 2021-03-01 20:23:16
JP7PRS-9 1 2021-03-01 05:16:39 2021-03-01 05:16:39 QM07IH > QM07AE 37.0 miles 76° 2021-03-01 05:16:39
JI7BLH-12 1 2021-03-01 16:36:32 2021-03-01 16:36:32 QM07EM > QM07AE 32.2 miles 39° 2021-03-01 16:36:32
JH7RKA-9 4 2021-02-28 19:15:53 2021-03-01 20:49:23 QM07EJ > QM07AE 23.7 miles 48° 2021-02-28 19:15:53
JH7NFM-9 6 2021-03-01 04:18:58 2021-03-01 15:53:38 QM07IK > QM07AE 41.4 miles 61° 2021-03-01 15:53:38
JF7EDQ-9 6 2021-03-01 04:43:50 2021-03-01 05:34:37 QM07EI > QM07AE 24.4 miles 56° 2021-03-01 05:12:44
JA7OAR-1 9 2021-02-28 20:30:38 2021-03-01 21:32:09 QM08DF > QM07AE 74.4 miles 11° 2021-03-01 21:32:09
JI1RWC-9 4 2021-03-01 02:01:17 2021-03-01 17:56:18 PM96XR > QM07AE 30.1 miles 188° 2021-03-01 02:01:17

Only stations from which a position packet has been heard are shown here. The range statistics show some extra long hops, because some digipeaters do not correctly add themselves to the digipeater path. Please check the raw packets.
About this site
This page shows real-time information collected from the Automatic Position Reporting System Internet network (APRS-IS). APRS is used by amateur (ham) radio operators to transmit real-time position information, weather data, telemetry and messages over the radio. A vehicle equipped with a GPS receiver, a VHF transmitter or HF transceiver and a small computer device called a tracker transmits it's location, speed and course in a small data packet, which is then received by a nearby iGate receiving site which forwards the packet on the Internet. Systems connected to the Internet can send information on the APRS-IS without a radio transmitter, or collect and display information transmitted anywhere in the world.
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