Packet #29703018 Success

POSITION_APP packet from COSLADA 4fe0🌐🇪🇦🚨 (4fe0) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	29703018
Mesh Packet ID:	`0x28411b58` Used for correlation across gateways
Timestamp:	2025-12-24 00:12:09 UTC
From Node:	COSLADA 4fe0🌐🇪🇦🚨 (4fe0)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Venturada2 🗼🌞 (Vb2)
Channel:	MediumFast
RSSI:	-102 dBm
SNR:	-6.5 dBm
Hop Info:	0/4 hops Start: 4, Limit: 4
Relay Node:	`e0` 4fe0 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:	40.427520°
Longitude:	-3.550413°
Altitude:	613 m
Precision:	17 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:	!a03526b0
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 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
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!a03526b0` 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`	`2661044192` 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`	`4` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-102.0` dBm Signal strength at gateway	int32
`rx_snr`	`-6.50` dB Signal quality at gateway	float
`rx_time`	`1766535129` 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`	`224` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1766535129.8690524` 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
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!a03526b0`
Position Precision:	17 bits (~182.0m accuracy)
Position precision meters:	`182.0`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -102.0 dBm SNR: -6.50 dB

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": 40.42752, "longitude": -3.5504128, "altitude": 613, "sats_in_view": null, "precision_bits": 17 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!a03526b0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661044192, "to": 4294967295, "id": 675355480, "rx_time": 1766535129, "rx_snr": -6.5, "rx_rssi": -102, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 224, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00c01818150040e2fd18e50425b54d4b692803b80111", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404275200, "longitude_i": -35504128, "altitude": 613, "time": 1766542773, "location_source": "LOC_EXTERNAL", "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d00c01818150040e2fd18e50425b54d4b692803b80111

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
Venturada2 🗼🌞 (Vb2) Primary	0.000s Reference	-102.0 dBm	-6.50 dB	0	`e0` 4fe0	MediumFast	2025-12-24 00:12:09 UTC	Current
JAGO1_Cañaveral (JAGO)	+0.267s After	-124.0 dBm	-15.50 dB	1	`b0` Sir , PUPM , Vb2	MediumFast	2025-12-24 00:12:10 UTC	View
Ocumare Norte🗼🌐 (RRN)	+0.272s After	-100.0 dBm	-5.75 dB	1	`b0` Sir , Vb2	MediumFast	2025-12-24 00:12:10 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	+0.351s After	-77.0 dBm	9.25 dB	1	`b0` Sir , Vb2	MediumFast	2025-12-24 00:12:10 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	+0.639s After	-101.0 dBm	-8.25 dB	1	`b0` Sir , Vb2	MediumFast	2025-12-24 00:12:10 UTC	View
Villalbilla02 (VBV2)	+1.018s After	-112.0 dBm	-2.50 dB	1	`b0` Vb2	MediumFast	2025-12-24 00:12:10 UTC	View
Mec Rocket Meco (MRM)	+1.289s After	-113.0 dBm	-13.25 dB	2	`08` JPL2	MediumFast	2025-12-24 00:12:11 UTC	View
Aldinra_1640_🗼_🌐 (AldB)	+1.300s After	-116.0 dBm	-7.25 dB	2	`f5` RPT4	MediumFast	2025-12-24 00:12:11 UTC	View
Rodashtastic🗼🌐 (RDSt)	+1.310s After	-104.0 dBm	3.75 dB	2	`e7` BJN	MediumFast	2025-12-24 00:12:11 UTC	View
Eagle’s Nest (EAGL)	+1.408s After	-111.0 dBm	-1.00 dB	2	`74`	MediumFast	2025-12-24 00:12:11 UTC	View
MOVIL 1 🟢 MANCHASTIC (MV1V)	+1.663s After	-123.0 dBm	-13.25 dB	2	`aa` CR1	MediumFast	2025-12-24 00:12:11 UTC	View
ETH Maverick (ET01)	+1.724s After	-101.0 dBm	-10.25 dB	2	`d8` ROG1	MediumFast	2025-12-24 00:12:11 UTC	View
Wake Up, Neo...📡 (NEO)	+1.959s After	-102.0 dBm	-9.00 dB	2	`f5` RPT4	MediumFast	2025-12-24 00:12:11 UTC	View
Meshtastic 1760 (1760)	+2.047s After	-128.0 dBm	-9.25 dB	3	`40` AldB	MediumFast	2025-12-24 00:12:11 UTC	View
PXT_Home (PXT1)	+2.412s After	-120.0 dBm	-10.00 dB	3	`7d` BAS3	MediumFast	2025-12-24 00:12:12 UTC	View
Meshtastic 18a4 (18a4)	+2.425s After	Unknown	Unknown	4	`60` 1760	MediumFast	2025-12-24 00:12:12 UTC	View
P3 iGate 🏠🌐 (P3N2)	+2.429s After	-36.0 dBm	10.50 dB	3	`25` P3N1	MediumFast	2025-12-24 00:12:12 UTC	View
0001 (49ac)	+3.047s After	-78.0 dBm	-9.50 dB	4	`6c`	MediumFast	2025-12-24 00:12:12 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	+3.091s After	-101.0 dBm	4.25 dB	4	`6c` f56c	MediumFast	2025-12-24 00:12:12 UTC	View
Karabanchel_Baldur (KarB)	+4.543s After	-102.0 dBm	-8.75 dB	4	`e6` a9e6	MediumFast	2025-12-24 00:12:14 UTC	View
EA4GGL (4GGL)	+6.154s After	-128.0 dBm	-11.75 dB	3	`25` 🌇	MediumFast	2025-12-24 00:12:16 UTC	View
Justicia Meshtastic b0e4 🏢 (b0e4)	+6.178s After	-116.0 dBm	-9.50 dB	3	`25` 🌇	MediumFast	2025-12-24 00:12:16 UTC	View

22

Total Receptions

22

Unique Gateways