Packet #17778658 Success

POSITION_APP packet from !a2ebd5e0 to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17778658
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:	MediumFast
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:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	2 / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 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` (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`	`1774601585.5500402` 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
✓ Reduced position precision: ~2900.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ 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": "MediumFast", "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`	MediumFast	2026-03-27 08:53:05 UTC	Current
DIR Rooftop (DIR)	-0.173s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.142s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.127s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.108s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.088s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.078s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.058s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.045s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.034s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.023s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	-0.011s Before	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.011s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.022s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.035s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.045s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.057s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.071s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.083s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.096s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.108s After	-86.0 dBm	0.75 dB	2	`8f`	MediumFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.121s 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`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.145s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.156s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.175s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.195s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.205s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.218s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.229s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.240s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.250s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.262s After	-86.0 dBm	0.75 dB	2	`8f`	ShortFast	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.274s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.287s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.299s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.312s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.325s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.337s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.349s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.373s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.385s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.396s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.407s After	-86.0 dBm	0.75 dB	2	`8f`	ShortTurbo	2026-03-27 08:53:05 UTC	View
DIR Rooftop (DIR)	+0.417s After	-86.0 dBm	0.75 dB	2	`8f`	LongFast	2026-03-27 08:53:05 UTC	View

45

Total Receptions

1

Unique Gateways