Packet #5927722 Success

POSITION_APP packet from shaggy swim (mhzp) to Zarathustra (zrts)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	5927722
Mesh Packet ID:	`0x6f0df776` Used for correlation across gateways
Timestamp:	2026-01-14 15:12:45 UTC
From Node:	shaggy swim (mhzp)
To Node:	Zarathustra (zrts)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Keyhost GW8 (KHS8)
Channel:	LongFast
RSSI:	-113 dBm
SNR:	-10.25 dBm
Hop Info:	2/5 hops Start: 5, Limit: 3

Payload Data

Protocol: POSITION_APP

Size: 20 bytes

Decoded: Yes

Decoded Data:

Latitude:	55.846680°
Longitude:	37.360620°
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:	20 bytes
Gateway:	!fa98ccfc
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	2 / 5

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!fa98ccfc` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (20 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3679993408` Source node ID	uint32
`to`	`948096878` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`20` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-113.0` dBm Signal strength at gateway	int32
`rx_snr`	`-10.25` dB Signal quality at gateway	float
`rx_time`	`1768392765` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1768392765.4504228` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

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

Exposure Level: Direct Message

Privacy Features:

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

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!fa98ccfc`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Signal Metrics:	RSSI: -113.0 dBm SNR: -10.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	20 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 55.84668, "longitude": 37.36062, "altitude": null, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!fa98ccfc", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679993408, "to": 948096878, "id": 1863186294, "rx_time": 1768392765, "rx_snr": -10.25, "rx_rssi": -113, "hop_limit": 3, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0df08649211538c7441625268867692801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 558466800, "longitude_i": 373606200, "time": 1768392742, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (20 bytes)

0df08649211538c7441625268867692801b80120

Hex Analysis:

Size:	20 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
Keyhost GW8 (KHS8) Primary	0.000s Reference	-113.0 dBm	-10.25 dB	2	LongFast	2026-01-14 15:12:45	Current
patch866 (pth8)	-9.571s Before	-68.0 dBm	3.00 dB	1	LongFast	2026-01-14 15:12:35	View
BBS Восток (DM📲) (BBSv)	-2.407s Before	-104.0 dBm	-10.25 dB	3	LongFast	2026-01-14 15:12:43	View
Zamkad8 (zmkd)	-0.709s Before	-110.0 dBm	-6.75 dB	2	LongFast	2026-01-14 15:12:44	View
EGarpunov 2 868 (Base) (BAO) (EG28)	+0.770s After	-116.0 dBm	-10.00 dB	4	LongFast	2026-01-14 15:12:46	View
Fostral (FSTR)	+0.810s After	-85.0 dBm	-17.50 dB	4	LongFast	2026-01-14 15:12:46	View
Medved GW8 (MED8)	+0.879s After	-104.0 dBm	-0.25 dB	4	LongFast	2026-01-14 15:12:46	View
Butyrskaya 868 (But8)	+1.108s After	-102.0 dBm	-2.75 dB	4	LongFast	2026-01-14 15:12:46	View
hmbm (f55c)	+2.388s After	-106.0 dBm	-8.50 dB	5	LongFast	2026-01-14 15:12:47	View
Korolyok h0use (K8k*)	+3.126s After	-128.0 dBm	-18.00 dB	4	LongFast	2026-01-14 15:12:48	View
SYSXX YGW8 (SXY8)	+3.249s After	-101.0 dBm	-9.00 dB	5	LongFast	2026-01-14 15:12:48	View
RN3ABX Georgy 2 (ABX2)	+3.510s After	-121.0 dBm	-11.50 dB	5	LongFast	2026-01-14 15:12:48	View
SYSXX OGW8 (SXG8)	+4.749s After	-80.0 dBm	5.75 dB	5	LongFast	2026-01-14 15:12:50	View
Aster-02 (AST2)	+40.015s After	-60.0 dBm	5.50 dB	5	LongFast	2026-01-14 15:13:25	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	+113.889s After	-96.0 dBm	-3.50 dB	3	LongFast	2026-01-14 15:14:39	View
Koptevo-8-MQTT (BM8M)	+114.153s After	-118.0 dBm	-16.00 dB	3	LongFast	2026-01-14 15:14:39	View
Dragon868-1 (D1)	+117.688s After	-115.0 dBm	-16.50 dB	4	LongFast	2026-01-14 15:14:43	View
ZA_MKAD_22_868_1 (8681)	+182.496s After	-137.0 dBm	-13.50 dB	4	LongFast	2026-01-14 15:15:47	View
NODE_SOLAR_868 (8682)	+182.702s After	Unknown	Unknown	5	LongFast	2026-01-14 15:15:48	View
ZA_MKAD_22_433_2 (4332)	+182.752s After	Unknown	Unknown	5	LongFast	2026-01-14 15:15:48	View

20

Total Receptions

20

Unique Gateways