Packet #28189443 Success

POSITION_APP packet from Zona Alta Rivas Vaciamadrid 📡 (Raq1) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28189443
Mesh Packet ID:	`0x1d15d4ad` Used for correlation across gateways
Timestamp:	2025-12-17 03:34:34 UTC
From Node:	Zona Alta Rivas Vaciamadrid 📡 (Raq1)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 18a4 (18a4)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	4/5 hops Start: 5, 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: 15 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.357069°
Longitude:	-3.525837°
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:	15 bytes
Gateway:	!c0c318a4
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	4 / 5

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` (15 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3677054628` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`15` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1765942678` 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`	`1765942474.7325811` 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 (4 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:	15 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.3570688, "longitude": -3.5258368, "altitude": null, "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": 3677054628, "to": 4294967295, "id": 487969965, "rx_time": 1765942678, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 1, "hop_start": 5, "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": "0d00000e18150000e6fd2801b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403570688, "longitude_i": -35258368, "location_source": "LOC_MANUAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (15 bytes)

0d00000e18150000e6fd2801b8010e

Hex Analysis:

Size:	15 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	4	`60` 1760	MediumFast	2025-12-17 03:34:34 UTC	Current
[samsepi0l] 📡🌐 (tlg0)	-2.217s Before	-84.0 dBm	8.00 dB	0	`a4` Raq1	MediumFast	2025-12-17 03:34:32 UTC	View
Eagle’s Nest (EAGL)	-2.214s Before	-114.0 dBm	-4.50 dB	0	`a4` Raq1	MediumFast	2025-12-17 03:34:32 UTC	View
Venturada2🗼🌐☀️ (Vb2)	-1.724s Before	-99.0 dBm	-3.00 dB	1	`b0` Vbm , PUPM , Vb2	MediumFast	2025-12-17 03:34:33 UTC	View
Ocumare Norte🗼🌐 (RRN)	-1.319s Before	-102.0 dBm	-7.25 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 03:34:33 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-1.282s Before	-79.0 dBm	8.75 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 03:34:33 UTC	View
Villalbilla02 (VBV2)	-1.101s Before	-119.0 dBm	-9.25 dB	2	`b0` Vb2	MediumFast	2025-12-17 03:34:33 UTC	View
Mec Rocket Meco (MRM)	-0.658s Before	-112.0 dBm	-11.75 dB	3	`c0` sdAh	MediumFast	2025-12-17 03:34:34 UTC	View
JAGO1_Cañaveral (JAGO)	-0.535s Before	Unknown	11.50 dB	3	`70` JAG2	MediumFast	2025-12-17 03:34:34 UTC	View
flau pruebas (🏐)	-0.338s Before	-93.0 dBm	6.50 dB	3	`f5` RPT4	MediumFast	2025-12-17 03:34:34 UTC	View
Meshtastic 1760 (1760)	-0.259s Before	-115.0 dBm	0.75 dB	3	`f5` RPT4	MediumFast	2025-12-17 03:34:34 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	-0.129s Before	-54.0 dBm	10.50 dB	3	`94` GRN2	MediumFast	2025-12-17 03:34:34 UTC	View
Wake Up, Neo...📡 (NEO)	+0.012s After	-92.0 dBm	4.00 dB	4	`88` 2b88	MediumFast	2025-12-17 03:34:34 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	+0.052s After	-90.0 dBm	10.50 dB	3	`6c` f56c	MediumFast	2025-12-17 03:34:34 UTC	View
Karabanchel_Baldur (KarB)	+0.713s After	-101.0 dBm	0.50 dB	4	`90` C181	MediumFast	2025-12-17 03:34:35 UTC	View
Villarejo01 (VIL1)	+0.743s After	-36.0 dBm	11.25 dB	3	`c6` d5c6	MediumFast	2025-12-17 03:34:35 UTC	View
Quixote_JS8_7 (QXT7)	+1.338s After	-18.0 dBm	11.00 dB	4	-	MediumFast	2025-12-17 03:34:36 UTC	View
Quixote_JS8_5🗼🌐 (QXT5)	+1.342s After	-114.0 dBm	-9.25 dB	4	-	MediumFast	2025-12-17 03:34:36 UTC	View
PXT_Home (PXT1)	+1.542s After	-91.0 dBm	10.75 dB	3	`fd` BAS2	MediumFast	2025-12-17 03:34:36 UTC	View
Fenix (FENX)	+2.008s After	-117.0 dBm	-9.75 dB	5	`88` KarB , FENX	MediumFast	2025-12-17 03:34:36 UTC	View
MakeSpaceMadrid (MKS)	+2.617s After	-99.0 dBm	9.25 dB	5	`d1` MKS2	MediumFast	2025-12-17 03:34:37 UTC	View

21

Total Receptions

21

Unique Gateways