Packet #3685208 Success

POSITION_APP packet from jaba-02 (jb-2) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	3685208
Mesh Packet ID:	`0x7ca590cb` Used for correlation across gateways
Timestamp:	2025-07-14 03:38:41 UTC
From Node:	jaba-02 (jb-2)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Mastinzgz (6bb4)
Channel:	LongFast
RSSI:	-102 dBm
SNR:	1.5 dBm
Hop Info:	2/4 hops Start: 4, Limit: 2

Payload Data

Protocol: POSITION_APP

Size: 28 bytes

Decoded: Yes

Decoded Data:

Latitude:	41.619456°
Longitude:	-0.872448°
Altitude:	300 m
Precision:	18 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:	28 bytes
Gateway:	!a0cb6bb4
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`	`!a0cb6bb4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1127988208` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` 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`	`-102.0` dBm Signal strength at gateway	int32
`rx_snr`	`1.50` dB Signal quality at gateway	float
`rx_time`	`1752447511` 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`	`193` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1752464321.3741546` 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:	`!a0cb6bb4`
Position Precision:	18 bits (~91.0m accuracy)
Position precision meters:	`91.0`
Signal Metrics:	RSSI: -102.0 dBm SNR: 1.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	28 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 41.619456, "longitude": -0.872448, "altitude": 300, "sats_in_view": null, "precision_bits": 18 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!a0cb6bb4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1127988208, "to": 4294967295, "id": 2091225291, "rx_time": 1752447511, "rx_snr": 1.5, "rx_rssi": -102, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 193, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0ce181500e07aff18ac02250e3a746828017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 416194560, "longitude_i": -8724480, "altitude": 300, "time": 1752447502, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d00a0ce181500e07aff18ac02250e3a746828017800800100b80112

Hex Analysis:

Size:	28 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
Mastinzgz (6bb4) Primary	0.000s Reference	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:38:41	Current
jaba-02 (jb-2)	-16818.651s Before	Unknown	Unknown	0	LongFast	2025-07-13 22:58:22	View
Mastinzgz (6bb4)	-785.372s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:25:36	View
Mastinzgz (6bb4)	-740.353s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:26:21	View
Mastinzgz (6bb4)	-715.351s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:26:46	View
Mastinzgz (6bb4)	-670.335s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:27:31	View
Mastinzgz (6bb4)	-640.321s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:28:01	View
Mastinzgz (6bb4)	-595.309s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:28:46	View
Mastinzgz (6bb4)	-570.293s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:29:11	View
Mastinzgz (6bb4)	-525.268s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:29:56	View
Mastinzgz (6bb4)	-500.261s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:30:21	View
Mastinzgz (6bb4)	-455.248s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:31:06	View
Mastinzgz (6bb4)	-430.194s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:31:31	View
Mastinzgz (6bb4)	-385.175s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:32:16	View
Mastinzgz (6bb4)	-355.138s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:32:46	View
Mastinzgz (6bb4)	-310.136s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:33:31	View
Mastinzgz (6bb4)	-285.128s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:33:56	View
Mastinzgz (6bb4)	-240.117s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:34:41	View
Mastinzgz (6bb4)	-215.099s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:35:06	View
Mastinzgz (6bb4)	-170.091s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:35:51	View
Mastinzgz (6bb4)	-145.075s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:36:16	View
Mastinzgz (6bb4)	-100.046s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:37:01	View
Mastinzgz (6bb4)	-70.021s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:37:31	View
Mastinzgz (6bb4)	-25.015s Before	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:38:16	View
Mastinzgz (6bb4)	+45.017s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:39:26	View
Mastinzgz (6bb4)	+70.033s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:39:51	View
Mastinzgz (6bb4)	+120.046s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:40:41	View
Mastinzgz (6bb4)	+145.058s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:41:06	View
Mastinzgz (6bb4)	+190.075s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:41:51	View
Mastinzgz (6bb4)	+215.085s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:42:16	View
Mastinzgz (6bb4)	+260.117s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:43:01	View
Mastinzgz (6bb4)	+285.132s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:43:26	View
Mastinzgz (6bb4)	+335.128s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:44:16	View
Mastinzgz (6bb4)	+360.142s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:44:41	View
Mastinzgz (6bb4)	+405.153s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:45:26	View
Mastinzgz (6bb4)	+430.172s After	-102.0 dBm	1.50 dB	2	LongFast	2025-07-14 03:45:51	View

36

Total Receptions

2

Unique Gateways