Packet #17778651 Success

POSITION_APP packet from !a2ebd5e0 to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17778651
Mesh Packet ID:	`0x65415d40` Used for correlation across gateways
Timestamp:	2026-03-27 08:53:05 UTC
From Node:	!a2ebd5e0 (d5e0)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	DIR Rooftop (DIR)
Channel:	LongFast
RSSI:	-86 dBm
SNR:	0.75 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1
Relay Node:	`8f` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 27 bytes

Decoded: Yes

Decoded Data:

Latitude:	45.534413°
Longitude:	-73.426534°
Altitude:	20 m
Precision:	13 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:	27 bytes
Gateway:	!6985083c
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	2 / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!6985083c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (27 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2733364704` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`27` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-86.0` dBm Signal strength at gateway	int32
`rx_snr`	`0.75` dB Signal quality at gateway	float
`rx_time`	`1774601586` 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`	`1774601585.461949` 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
✓ Reduced position precision: ~2900.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!6985083c`
Position Precision:	13 bits (~2900.0m accuracy)
Position precision meters:	`2900.0`
Signal Metrics:	RSSI: -86.0 dBm SNR: 0.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	27 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 45.5344128, "longitude": -73.4265344, "altitude": 20, "sats_in_view": null, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733364704, "to": 4294967295, "id": 1698782528, "rx_time": 1774601586, "rx_snr": 0.75, "rx_rssi": -86, "hop_limit": 1, "hop_start": 3, "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": "0d0000241b1500003cd41814255645c66928017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455344128, "longitude_i": -734265344, "altitude": 20, "time": 1774601558, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (27 bytes)

0d0000241b1500003cd41814255645c66928017800800100b8010d

Hex Analysis:

Size:	27 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	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	Current
DIR Rooftop (DIR)	-0.085s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.053s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.039s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.020s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.010s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.030s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.043s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.054s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.065s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.077s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.088s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.099s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.110s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.123s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.133s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.145s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.159s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.171s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.184s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.196s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.209s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.221s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.233s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.244s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.263s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.283s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.293s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.306s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.317s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.328s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.339s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.350s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.363s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.375s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.387s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.400s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.413s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.425s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.437s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.461s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.473s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.484s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.495s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.505s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View

45

Total Receptions

1

Unique Gateways