Packet #28120104 Success

POSITION_APP packet from Cibermusic 🌐 (JAS) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28120104
Mesh Packet ID:	`0x6bfcf3ea` Used for correlation across gateways
Timestamp:	2025-12-16 20:17:10 UTC
From Node:	Cibermusic 🌐 (JAS)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 18a4 (18a4)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	3/4 hops Start: 4, Limit: 1
Relay Node:	`60` 1760 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.461926°
Longitude:	-3.683123°
Altitude:	737 m
Precision:	14 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:	23 bytes
Gateway:	!c0c318a4
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	3 / 4

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
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!c0c318a4` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2697659628` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1765916434` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`64` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`96` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765916230.6049514` 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: ~1500.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)

MQTT-Specific Fields

Gateway ID:	`!c0c318a4`
Position Precision:	14 bits (~1500.0m accuracy)
Position precision meters:	`1500.0`

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	23 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.4619264, "longitude": -3.6831232, "altitude": 737, "sats_in_view": null, "precision_bits": 14 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697659628, "to": 4294967295, "id": 1811739626, "rx_time": 1765916434, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 96, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00001e18150000cefd18e1052541be41692801b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404619264, "longitude_i": -36831232, "altitude": 737, "time": 1765916225, "location_source": "LOC_MANUAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d00001e18150000cefd18e1052541be41692801b8010e

Hex Analysis:

Size:	23 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
Meshtastic 18a4 (18a4) Primary	0.000s Reference	Unknown	Unknown	3	`60` 1760	MediumFast	2025-12-16 20:17:10 UTC	Current
Wake Up, Neo...📡 (NEO)	-1.482s Before	-93.0 dBm	-5.25 dB	0	`ec` JAS	MediumFast	2025-12-16 20:17:09 UTC	View
Meshtastic 26b0 (26b0)	-0.835s Before	-99.0 dBm	-3.25 dB	1	`f5` RPT4	MediumFast	2025-12-16 20:17:09 UTC	View
[samsepi0l] 📡🌐 (tlg0)	-0.824s Before	-79.0 dBm	-8.75 dB	1	`52` 6052	MediumFast	2025-12-16 20:17:09 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-0.806s Before	-99.0 dBm	-9.50 dB	1	`f5` RPT4	MediumFast	2025-12-16 20:17:09 UTC	View
JAGO1_Cañaveral (JAGO)	-0.623s Before	-121.0 dBm	-15.25 dB	2	`b0` Vbm , PUPM , 26b0	MediumFast	2025-12-16 20:17:09 UTC	View
Ocumare Norte🗼🌐 (RRN)	-0.617s Before	-101.0 dBm	-10.25 dB	2	`b0` Vbm , 26b0	MediumFast	2025-12-16 20:17:09 UTC	View
Meshtastic 1760 (1760)	-0.273s Before	-133.0 dBm	-12.50 dB	2	`b0` 26b0	MediumFast	2025-12-16 20:17:10 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	-0.254s Before	-105.0 dBm	-9.00 dB	2	`b0` Vbm , 26b0	MediumFast	2025-12-16 20:17:10 UTC	View
Mec Rocket Meco (MRM)	-0.188s Before	-112.0 dBm	-13.75 dB	2	`c0` sdAh	MediumFast	2025-12-16 20:17:10 UTC	View
ETH Maverick (ET01)	-0.068s Before	-108.0 dBm	-13.25 dB	2	`61` TO1	MediumFast	2025-12-16 20:17:10 UTC	View
Fenix (FENX)	-0.063s Before	-118.0 dBm	-11.75 dB	2	`61` TO1	MediumFast	2025-12-16 20:17:10 UTC	View
Eagle’s Nest (EAGL)	+0.293s After	-113.0 dBm	-3.25 dB	3	`74`	MediumFast	2025-12-16 20:17:10 UTC	View
Quass001 ☄️ (Q001)	+0.843s After	-45.0 dBm	11.00 dB	2	`3a` Q005	MediumFast	2025-12-16 20:17:11 UTC	View
P3 iGate 🏠🌐 (P3N2)	+0.848s After	-41.0 dBm	10.50 dB	3	`25` P3N1	MediumFast	2025-12-16 20:17:11 UTC	View
PXT_Home (PXT1)	+0.991s After	-109.0 dBm	1.50 dB	4	`11` BAS1	MediumFast	2025-12-16 20:17:11 UTC	View
ETH Goose (ET03)	+1.080s After	-25.0 dBm	10.75 dB	3	`41` ET01	MediumFast	2025-12-16 20:17:11 UTC	View
MakeSpaceMadrid (MKS)	+1.265s After	-100.0 dBm	8.75 dB	2	`d1` MKS2	MediumFast	2025-12-16 20:17:11 UTC	View

18

Total Receptions

18

Unique Gateways