Packet #18000193 Success

POSITION_APP packet from FourSisters (4sis) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	18000193
Mesh Packet ID:	`0x63f0d020` Used for correlation across gateways
Timestamp:	2026-03-27 20:34:41 UTC
From Node:	FourSisters (4sis)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Storm #02 🇨🇦 (S#02)
Channel:	LongFast
RSSI:	-115 dBm
SNR:	-18.25 dBm
Hop Info:	2/4 hops Start: 4, Limit: 2
Relay Node:	`f6` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 25 bytes

Decoded: Yes

Decoded Data:

Latitude:	49.283499°
Longitude:	-123.100690°
Altitude:	24 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:	25 bytes
Gateway:	!33687ee4
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	2 / 4

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`	`!33687ee4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (25 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2697663720` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`25` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-115.0` dBm Signal strength at gateway	int32
`rx_snr`	`-18.25` dB Signal quality at gateway	float
`rx_time`	`1774643680` 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`	`246` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774643681.8490615` 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 (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!33687ee4`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Signal Metrics:	RSSI: -115.0 dBm SNR: -18.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	25 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 49.2834986, "longitude": -123.10069, "altitude": 24, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!33687ee4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697663720, "to": 4294967295, "id": 1676726304, "rx_time": 1774643680, "rx_snr": -18.25, "rx_rssi": -115, "hop_limit": 2, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 246, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0daa10601d154c53a0b6181828017800800100b00101b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 492834986, "longitude_i": -1231006900, "altitude": 24, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "seq_number": 1, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (25 bytes)

0daa10601d154c53a0b6181828017800800100b00101b80120

Hex Analysis:

Size:	25 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
Storm #02 🇨🇦 (S#02) Primary	0.000s Reference	-115.0 dBm	-18.25 dB	2	`f6`	LongFast	2026-03-27 20:34:41 UTC	Current
FourSisters (4sis)	-195.062s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-195.031s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-195.020s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-195.009s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.999s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.988s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.976s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.964s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.952s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.940s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.928s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.917s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.906s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.894s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.883s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.873s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.862s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.851s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:26 UTC	View
FourSisters (4sis)	-194.840s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.829s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.818s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.807s Before	Unknown	Unknown	0	`e8` 4sis	MediumFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.795s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.782s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.770s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.758s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.746s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.734s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.723s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.711s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.700s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.682s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.672s Before	Unknown	Unknown	0	`e8` 4sis	ShortFast	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.661s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.650s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.639s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.628s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.616s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.604s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.591s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.579s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.553s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.541s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.530s Before	Unknown	Unknown	0	`e8` 4sis	ShortTurbo	2026-03-27 20:31:27 UTC	View
FourSisters (4sis)	-194.519s Before	Unknown	Unknown	0	`e8` 4sis	LongFast	2026-03-27 20:31:27 UTC	View

46

Total Receptions

2

Unique Gateways