Packet #17790241 Success

POSITION_APP packet from MAdon (MAdo) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17790241
Mesh Packet ID:	`0x972f320d` Used for correlation across gateways
Timestamp:	2026-03-27 09:16:18 UTC
From Node:	MAdon (MAdo)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	DIR Rooftop (DIR)
Channel:	MediumFast
RSSI:	-85 dBm
SNR:	-16.0 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`8f` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 45 bytes

Decoded: Yes

Decoded Data:

Latitude:	45.542182°
Longitude:	-73.467602°
Altitude:	-25 m
Satellites:	11
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:	45 bytes
Gateway:	!6985083c
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	2 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!6985083c` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (45 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1741543364` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`45` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-85.0` dBm Signal strength at gateway	int32
`rx_snr`	`-16.00` dB Signal quality at gateway	float
`rx_time`	`1774602979` 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`	`143` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774602978.7686496` 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)
✓ Custom channel: MediumFast
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ 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:	`!6985083c`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Signal Metrics:	RSSI: -85.0 dBm SNR: -16.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	45 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 45.5421823, "longitude": -73.4676016, "altitude": -25, "sats_in_view": 11, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1741543364, "to": 4294967295, "id": 2536452621, "rx_time": 1774602979, "rx_snr": -16.0, "rx_rssi": -85, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 143, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d7f2f251b15d0bb35d418e7ffffffffffffffff0125c74ac6692802589201780a8001d0f5b40d98010bb80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455421823, "longitude_i": -734676016, "altitude": -25, "time": 1774602951, "location_source": "LOC_INTERNAL", "PDOP": 146, "ground_speed": 10, "ground_track": 28130000, "sats_in_view": 11, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (45 bytes)

0d7f2f251b15d0bb35d418e7ffffffffffffffff0125c74ac6692802589201780a8001d0f5b40d98010bb80120

Hex Analysis:

Size:	45 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	Relay	Channel	Timestamp	Actions
DIR Rooftop (DIR) Primary	0.000s Reference	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	Current
DIR Rooftop (DIR)	-0.227s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.202s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.191s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.174s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.156s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.139s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.128s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.116s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.105s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.092s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.080s Before	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.068s Before	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.055s Before	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.043s Before	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.032s Before	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.021s Before	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	-0.010s Before	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.010s After	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.021s After	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.031s After	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.042s After	-85.0 dBm	-16.00 dB	2	`8f`	MediumFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.052s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.064s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.076s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.095s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.115s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.126s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.138s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.149s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.160s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.174s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.185s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortFast	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.202s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.213s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.223s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:18 UTC	View
DIR Rooftop (DIR)	+0.233s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.244s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.255s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.267s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.279s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.290s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.302s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.314s After	-85.0 dBm	-16.00 dB	2	`8f`	ShortTurbo	2026-03-27 09:16:19 UTC	View
DIR Rooftop (DIR)	+0.326s After	-85.0 dBm	-16.00 dB	2	`8f`	LongFast	2026-03-27 09:16:19 UTC	View

45

Total Receptions

1

Unique Gateways