Packet #27882907 Success

POSITION_APP packet from JPL73B2_Node (JPL2) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	27882907
Mesh Packet ID:	`0x40efe528` Used for correlation across gateways
Timestamp:	2025-12-15 19:40:31 UTC
From Node:	JPL73B2_Node (JPL2)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	CV02_9f35 (CV02)
Channel:	MediumFast
RSSI:	-112 dBm
SNR:	-8.25 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0
Relay Node:	`48` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 17 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.406221°
Longitude:	-3.548774°
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:	17 bytes
Gateway:	!98279f35
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	3 / 3

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`	`!98279f35` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (17 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3679584520` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`17` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-112.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.25` dB Signal quality at gateway	float
`rx_time`	`1765827628` 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`	`72` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765827631.5195243` 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 (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!98279f35`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Signal Metrics:	RSSI: -112.0 dBm SNR: -8.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	17 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.4062208, "longitude": -3.5487744, "altitude": null, "sats_in_view": null, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!98279f35", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679584520, "to": 4294967295, "id": 1089463592, "rx_time": 1765827628, "rx_snr": -8.25, "rx_rssi": -112, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 72, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801518150080e2fd28014800b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404062208, "longitude_i": -35487744, "location_source": "LOC_MANUAL", "altitude_hae": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (17 bytes)

0d00801518150080e2fd28014800b80110

Hex Analysis:

Size:	17 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
CV02_9f35 (CV02) Primary	0.000s Reference	-112.0 dBm	-8.25 dB	3	`48`	MediumFast	2025-12-15 19:40:31 UTC	Current
JPL73B2_Node (JPL2)	-13.414s Before	Unknown	Unknown	0	`08` JPL2	MediumFast	2025-12-15 19:40:18 UTC	View
Mec Rocket Meco (MRM)	-12.770s Before	-114.0 dBm	-13.00 dB	0	`08` JPL2	MediumFast	2025-12-15 19:40:18 UTC	View
JPL73B4_Node (JPL4)	-12.327s Before	Unknown	Unknown	0	`08` JPL2	MediumFast	2025-12-15 19:40:19 UTC	View
Meshtastic 26b0 (26b0)	-11.704s Before	-101.0 dBm	-2.50 dB	0	`08` ET18 , JPL2	MediumFast	2025-12-15 19:40:19 UTC	View
JAGO1_Cañaveral (JAGO)	-11.696s Before	-123.0 dBm	-14.00 dB	1	`b0` Vbm , PUPM , 26b0	MediumFast	2025-12-15 19:40:19 UTC	View
Ocumare Norte🗼🌐 (RRN)	-11.686s Before	-102.0 dBm	-8.00 dB	1	`b0` Vbm , 26b0	MediumFast	2025-12-15 19:40:19 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-11.659s Before	-81.0 dBm	7.25 dB	1	`b0` Vbm , 26b0	MediumFast	2025-12-15 19:40:19 UTC	View
🎄 SkG@Home 📡🌐 (SkGH)	-11.653s Before	-103.0 dBm	-12.50 dB	1	`b0` Vbm , 26b0	MediumFast	2025-12-15 19:40:19 UTC	View
Villalbilla02 (VBV2)	-11.377s Before	-115.0 dBm	-5.75 dB	1	`b0` 26b0	MediumFast	2025-12-15 19:40:20 UTC	View
Eagle’s Nest (EAGL)	-10.687s Before	-123.0 dBm	-13.25 dB	1	`61` TO1	MediumFast	2025-12-15 19:40:20 UTC	View
Meshtastic JT01 (JT01)	-10.510s Before	-109.0 dBm	2.00 dB	2	`22` JT03	MediumFast	2025-12-15 19:40:21 UTC	View
ETH Maverick (ET01)	-10.288s Before	-105.0 dBm	-5.75 dB	1	`61` TO1	MediumFast	2025-12-15 19:40:21 UTC	View
P3 iGate 🏠🌐 (P3N2)	-9.691s Before	-38.0 dBm	11.50 dB	2	`25` P3N1	MediumFast	2025-12-15 19:40:21 UTC	View
ETH Goose (ET03)	-9.667s Before	-115.0 dBm	-11.75 dB	2	`72` Knb1	MediumFast	2025-12-15 19:40:21 UTC	View
Quass001 ☄️ (Q001)	-9.430s Before	-39.0 dBm	10.75 dB	3	`3a` Q005	MediumFast	2025-12-15 19:40:22 UTC	View
Villarejo01 (VIL1)	-9.103s Before	-33.0 dBm	10.75 dB	2	`c6` d5c6	MediumFast	2025-12-15 19:40:22 UTC	View
Quixote_JS8_5🗼🌐 (QXT5)	-8.935s Before	-114.0 dBm	-11.75 dB	3	-	MediumFast	2025-12-15 19:40:22 UTC	View
Quixote_JS8_7 (QXT7)	-8.932s Before	-18.0 dBm	11.25 dB	3	-	MediumFast	2025-12-15 19:40:22 UTC	View
PXT_Home (PXT1)	-8.905s Before	-109.0 dBm	-0.50 dB	3	`48` mfms	MediumFast	2025-12-15 19:40:22 UTC	View
Zion 🗼 (Zion)	-8.733s Before	-113.0 dBm	-10.75 dB	3	`85` FTO1	MediumFast	2025-12-15 19:40:22 UTC	View
Justicia Meshtastic b0e4 🏢 (b0e4)	-7.787s Before	-117.0 dBm	-13.25 dB	3	`25` 🌇	MediumFast	2025-12-15 19:40:23 UTC	View
EA4GGL (4GGL)	-7.783s Before	-126.0 dBm	-13.25 dB	3	`25` 🌇	MediumFast	2025-12-15 19:40:23 UTC	View

23

Total Receptions

23

Unique Gateways