Packet #28301890 Success

POSITION_APP packet from Ortem 🚀 ☀ (2b88) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28301890
Mesh Packet ID:	`0x9bcd9ab8` Used for correlation across gateways
Timestamp:	2025-12-17 16:38:57 UTC
From Node:	Ortem 🚀 ☀ (2b88)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Aldinra_1640_🗼_🌐 (AldB)
Channel:	MediumFast
RSSI:	-118 dBm
SNR:	-9.25 dBm
Hop Info:	2/4 hops Start: 4, Limit: 2
Relay Node:	`f5` RPT4 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: 25 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.465203°
Longitude:	-3.699507°
Altitude:	716 m
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:	25 bytes
Gateway:	!a0cc1640
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	2 / 4

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`	`!a0cc1640` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (25 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2458856328` 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`	`-118.0` dBm Signal strength at gateway	int32
`rx_snr`	`-9.25` dB Signal quality at gateway	float
`rx_time`	`1765989536` 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`	`245` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765989537.3653975` 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:	`!a0cc1640`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Signal Metrics:	RSSI: -118.0 dBm SNR: -9.25 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": 40.4652032, "longitude": -3.6995072, "altitude": 716, "sats_in_view": null, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!a0cc1640", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2458856328, "to": 4294967295, "id": 2613942968, "rx_time": 1765989536, "rx_snr": -9.25, "rx_rssi": -118, "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": 245, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801e18150080cbfd18cc05259edc42692802587eb80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404652032, "longitude_i": -36995072, "altitude": 716, "time": 1765989534, "location_source": "LOC_INTERNAL", "PDOP": 126, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (25 bytes)

0d00801e18150080cbfd18cc05259edc42692802587eb80110

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
Aldinra_1640_🗼_🌐 (AldB) Primary	0.000s Reference	-118.0 dBm	-9.25 dB	2	`f5` RPT4	MediumFast	2025-12-17 16:38:57 UTC	Current
Ortem 🚀 ☀ (2b88)	-1.791s Before	Unknown	Unknown	0	`88` 2b88	MediumFast	2025-12-17 16:38:55 UTC	View
Wake Up, Neo...📡 (NEO)	-1.669s Before	-91.0 dBm	2.50 dB	0	`88` 2b88	MediumFast	2025-12-17 16:38:55 UTC	View
MakeSpaceMadrid (MKS)	-1.330s Before	-128.0 dBm	-15.50 dB	0	`88` 2b88	MediumFast	2025-12-17 16:38:56 UTC	View
Venturada2🗼🌐☀️ (Vb2)	-1.230s Before	-75.0 dBm	10.25 dB	1	`10` Vbt	MediumFast	2025-12-17 16:38:56 UTC	View
Ocumare Norte🗼🌐 (RRN)	-0.961s Before	-107.0 dBm	-14.50 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:38:56 UTC	View
[samsepi0l] 📡🌐 (tlg0)	-0.900s Before	-97.0 dBm	-4.00 dB	1	-	MediumFast	2025-12-17 16:38:56 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-0.886s Before	-78.0 dBm	8.75 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:38:56 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	-0.604s Before	-98.0 dBm	-2.50 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:38:56 UTC	View
JAGO1_Cañaveral (JAGO)	-0.046s Before	-21.0 dBm	10.75 dB	3	`28` JAG3	MediumFast	2025-12-17 16:38:57 UTC	View
Meshtastic 1760 (1760)	-0.023s Before	-117.0 dBm	Unknown	2	`f5` RPT4	MediumFast	2025-12-17 16:38:57 UTC	View
ETH Maverick (ET01)	+0.346s After	-107.0 dBm	-6.00 dB	2	`61` TO1	MediumFast	2025-12-17 16:38:57 UTC	View
Meshtastic 18a4 (18a4)	+0.373s After	Unknown	Unknown	3	`60` 1760	MediumFast	2025-12-17 16:38:57 UTC	View
🏔️Cerro del Aire🏔️_ b03c (CDA)	+0.504s After	-120.0 dBm	-9.50 dB	2	`f5` RPT4	MediumFast	2025-12-17 16:38:57 UTC	View
Quass001 ☄️ (Q001)	+0.585s After	-50.0 dBm	10.75 dB	3	`3a` Q005	MediumFast	2025-12-17 16:38:57 UTC	View
P3 iGate 🏠🌐 (P3N2)	+0.812s After	-37.0 dBm	12.00 dB	3	`25` P3N1	MediumFast	2025-12-17 16:38:58 UTC	View
X Wing 🚀 Kenobi (Knb2)	+0.827s After	-115.0 dBm	-13.50 dB	4	`a4` 18a4	MediumFast	2025-12-17 16:38:58 UTC	View
ETH Goose (ET03)	+1.110s After	-30.0 dBm	11.25 dB	3	`41` ET01	MediumFast	2025-12-17 16:38:58 UTC	View
Meshtastic b2b4📡🌐 (b2b4)	+1.326s After	-118.0 dBm	-13.75 dB	3	`1c` 🐷	MediumFast	2025-12-17 16:38:58 UTC	View
Karabanchel_Baldur (KarB)	+1.330s After	-94.0 dBm	0.75 dB	3	`1c` 🐷	MediumFast	2025-12-17 16:38:58 UTC	View
Villarejo01 (VIL1)	+1.333s After	-39.0 dBm	11.00 dB	3	`c6` d5c6	MediumFast	2025-12-17 16:38:58 UTC	View
🎄 SkG@Home 📡🌐 (SkGH)	+1.384s After	-83.0 dBm	-13.50 dB	3	`56` 8d56 , 3d56	MediumFast	2025-12-17 16:38:58 UTC	View
Justicia Meshtastic b0e4 🏢 (b0e4)	+1.596s After	-120.0 dBm	-14.25 dB	4	`25` 🌇	MediumFast	2025-12-17 16:38:58 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	+1.617s After	-94.0 dBm	9.75 dB	3	`1c` 🐷	MediumFast	2025-12-17 16:38:58 UTC	View
tizon (Sylv)	+1.655s After	-109.0 dBm	-0.25 dB	3	`1c` 🐷	MediumFast	2025-12-17 16:38:59 UTC	View
Fenix (FENX)	+2.177s After	-117.0 dBm	-12.50 dB	4	`88` KarB , FENX	MediumFast	2025-12-17 16:38:59 UTC	View
PXT_Home (PXT1)	+2.300s After	-112.0 dBm	-1.50 dB	4	`a4` HelB	MediumFast	2025-12-17 16:38:59 UTC	View
Jolu base (JL1)	+2.532s After	-124.0 dBm	-13.25 dB	4	`a4` HelB	MediumFast	2025-12-17 16:38:59 UTC	View

28

Total Receptions

28

Unique Gateways