Packet #5101820 Success

POSITION_APP packet from Dimon Detskaj (00) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	5101820
Mesh Packet ID:	`0x05c5407e` Used for correlation across gateways
Timestamp:	2026-01-08 10:36:27 UTC
From Node:	Dimon Detskaj (00)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	BBS Восток (DM📲) (BBSv)
Channel:	LongFast
RSSI:	-98 dBm
SNR:	-4.75 dBm
Hop Info:	1/7 hops Start: 7, Limit: 6

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	55.947812°
Longitude:	37.832827°
Altitude:	161 m
Precision:	32 bits

Raw Packet Analysis

Complete field breakdown and MQTT privacy/exposure analysis

Packet Structure

MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)

Total Size:	23 bytes
Gateway:	!1309db84
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	1 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!1309db84` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3679986960` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	`6` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-98.0` dBm Signal strength at gateway	int32
`rx_snr`	`-4.75` dB Signal quality at gateway	float
`rx_time`	`1767857787` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`133` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1767857787.5148833` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ Multi-hop path visible (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!1309db84`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Signal Metrics:	RSSI: -98.0 dBm SNR: -4.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	23 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 55.9478119, "longitude": 37.8328266, "altitude": 161, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!1309db84", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679986960, "to": 4294967295, "id": 96813182, "rx_time": 1767857787, "rx_snr": -4.75, "rx_rssi": -98, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 133, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d67f5582115cad48c1618a10128037800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 559478119, "longitude_i": 378328266, "altitude": 161, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d67f5582115cad48c1618a10128037800800100b80120

Hex Analysis:

Size:	23 bytes
Format:	Protobuf (Protocol Buffers)
Encoding:	Binary with varint and length-delimited fields

This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.

All Receptions

All gateways that received this packet
Correlation: Using Mesh Packet ID

Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Hops	Channel	Timestamp	Actions
BBS Восток (DM📲) (BBSv) Primary	0.000s Reference	-98.0 dBm	-4.75 dB	1	LongFast	2026-01-08 10:36:27	Current
Korolyok h0use (K8k*)	+0.272s After	-114.0 dBm	-5.50 dB	1	LongFast	2026-01-08 10:36:27	View
EGarpunov 2 868 (Base) (BAO) (EG28)	+5.792s After	-116.0 dBm	-12.75 dB	3	LongFast	2026-01-08 10:36:33	View
Kedr GW4 1W (KEDR)	+7.476s After	-118.0 dBm	-18.50 dB	6	LongFast	2026-01-08 10:36:34	View
Mashino GW4 1W (MSH4)	+7.495s After	-113.0 dBm	-16.50 dB	6	LongFast	2026-01-08 10:36:35	View
hmbm (f55c)	+9.068s After	-114.0 dBm	-19.00 dB	3	LongFast	2026-01-08 10:36:36	View
hmbm (f55c)	+9.295s After	-114.0 dBm	-19.00 dB	7	LongFast	2026-01-08 10:36:36	View
Mosselmash_433 (qsfp)	+10.647s After	-124.0 dBm	-14.25 dB	7	LongFast	2026-01-08 10:36:38	View
Medved GW4 (MED4)	+10.675s After	-109.0 dBm	-10.00 dB	7	LongFast	2026-01-08 10:36:38	View
SYSXX BGW4 (SXB4)	+10.987s After	-105.0 dBm	-15.25 dB	7	LongFast	2026-01-08 10:36:38	View
Tsaritsyno_KB_U_868 (KBU8)	+12.838s After	-106.0 dBm	3.50 dB	3	LongFast	2026-01-08 10:36:40	View
VEGA 6d78 (VEGA)	+12.911s After	-100.0 dBm	-15.00 dB	4	LongFast	2026-01-08 10:36:40	View
Butyrskaya 868 (But8)	+13.064s After	-103.0 dBm	-1.75 dB	5	LongFast	2026-01-08 10:36:40	View
Fostral (FSTR)	+17.663s After	-77.0 dBm	-9.25 dB	5	LongFast	2026-01-08 10:36:45	View
Aster-02 (AST2)	+22.075s After	-101.0 dBm	-14.50 dB	7	LongFast	2026-01-08 10:36:49	View
Zamkad8 (zmkd)	+22.343s After	-118.0 dBm	-12.00 dB	7	LongFast	2026-01-08 10:36:49	View
Dragon868-1 (D1)	+24.803s After	-126.0 dBm	-18.50 dB	7	LongFast	2026-01-08 10:36:52	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	+33.456s After	-102.0 dBm	-7.00 dB	6	LongFast	2026-01-08 10:37:00	View
Tsaritsyno_KB_U_868 (KBU8)	+617.169s After	-49.0 dBm	6.00 dB	5	LongFast	2026-01-08 10:46:44	View
Zamkad8 (zmkd)	+2490.600s After	-112.0 dBm	-7.00 dB	7	LongFast	2026-01-08 11:17:58	View

20

Total Receptions

17

Unique Gateways