Packet #30138659 Success

POSITION_APP packet from Ortem Portable 💼 (d443) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	30138659
Mesh Packet ID:	`0xe742131e` Used for correlation across gateways
Timestamp:	2025-12-25 18:59:14 UTC
From Node:	Ortem Portable 💼 (d443)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	[samsepi0l] 📡🌐 (tlg0)
Channel:	MediumFast
RSSI:	-96 dBm
SNR:	-1.25 dBm
Hop Info:	2/5 hops Start: 5, Limit: 3
Relay Node:	None

Payload Data

Protocol: POSITION_APP

Size: 28 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.465203°
Longitude:	-3.699507°
Altitude:	688 m
Satellites:	14
Precision:	16 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:	!69828c38
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	2 / 5

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!69828c38` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3915174979` 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`	`3` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-96.0` dBm Signal strength at gateway	int32
`rx_snr`	`-1.25` dB Signal quality at gateway	float
`rx_time`	`1766689154` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1766689154.3821876` 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

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ 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:	`!69828c38`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Signal Metrics:	RSSI: -96.0 dBm SNR: -1.25 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": 40.4652032, "longitude": -3.6995072, "altitude": 688, "sats_in_view": 14, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!69828c38", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3915174979, "to": 4294967295, "id": 3879867166, "rx_time": 1766689154, "rx_snr": -1.25, "rx_rssi": -96, "hop_limit": 3, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801e18150080cbfd18b005257f894d692802587e98010eb80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404652032, "longitude_i": -36995072, "altitude": 688, "time": 1766689151, "location_source": "LOC_INTERNAL", "PDOP": 126, "sats_in_view": 14, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d00801e18150080cbfd18b005257f894d692802587e98010eb80110

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	Relay	Channel	Timestamp	Actions
[samsepi0l] 📡🌐 (tlg0) Primary	0.000s Reference	-96.0 dBm	-1.25 dB	2	-	MediumFast	2025-12-25 18:59:14 UTC	Current
Vito 📟📡 (VTO)	+0.135s After	-116.0 dBm	-12.50 dB	1	`88` 2b88	MediumFast	2025-12-25 18:59:14 UTC	View
Wake Up, Neo...📡 (NEO)	+0.398s After	-91.0 dBm	1.75 dB	1	`88` 2b88	MediumFast	2025-12-25 18:59:14 UTC	View
Venturada2 🗼🌞 (Vb2)	+0.639s After	-99.0 dBm	-3.75 dB	3	`f5` RPT4	MediumFast	2025-12-25 18:59:15 UTC	View
JAGO1_Cañaveral (JAGO)	+0.794s After	-9.0 dBm	11.00 dB	3	`70` JAG2	MediumFast	2025-12-25 18:59:15 UTC	View
Mec Rocket Meco (MRM)	+1.075s After	-112.0 dBm	-14.25 dB	4	`c0` sdAh	MediumFast	2025-12-25 18:59:15 UTC	View
Rodashtastic🗼🌐 (RDSt)	+1.213s After	-116.0 dBm	-12.00 dB	3	`e8` GRN1	MediumFast	2025-12-25 18:59:15 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	+1.365s After	-105.0 dBm	-12.75 dB	2	-	MediumFast	2025-12-25 18:59:15 UTC	View
Ocumare Norte🗼🌐 (RRN)	+1.381s After	-102.0 dBm	-9.50 dB	4	`b0` Sir , Vb2	MediumFast	2025-12-25 18:59:15 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	+1.458s After	-117.0 dBm	-10.00 dB	4	`88` KarB	MediumFast	2025-12-25 18:59:15 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	+1.460s After	-81.0 dBm	-11.25 dB	4	`b0` Sir , Vb2	MediumFast	2025-12-25 18:59:15 UTC	View
MakeSpaceMadrid (MKS)	+1.515s After	-92.0 dBm	11.00 dB	2	`d1` MKS2	MediumFast	2025-12-25 18:59:15 UTC	View
Varela Bot 🏡🤖 (🤖)	+1.618s After	-81.0 dBm	9.75 dB	3	`1c` 🏡	MediumFast	2025-12-25 18:59:16 UTC	View
Karabanchel_Baldur (KarB)	+1.684s After	-102.0 dBm	-5.00 dB	3	`e6` a9e6	MediumFast	2025-12-25 18:59:16 UTC	View
Meshtastic 1760 (1760)	+1.787s After	-125.0 dBm	-7.25 dB	3	`d4` ⛩	MediumFast	2025-12-25 18:59:16 UTC	View
Meshtastic JT01 (JT01)	+1.986s After	-87.0 dBm	9.75 dB	5	`70` GU01	MediumFast	2025-12-25 18:59:16 UTC	View
Meshtastic 18a4 (18a4)	+2.199s After	Unknown	Unknown	4	`60` 1760	MediumFast	2025-12-25 18:59:16 UTC	View
Eagle’s Nest (EAGL)	+3.377s After	-96.0 dBm	7.00 dB	5	`48` SMR1	MediumFast	2025-12-25 18:59:17 UTC	View

18

Total Receptions

18

Unique Gateways