Packet #29703514 Success

POSITION_APP packet from Kala_CLM (Kala) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	29703514
Mesh Packet ID:	`0xd8601f59` Used for correlation across gateways
Timestamp:	2025-12-24 00:14:35 UTC
From Node:	Kala_CLM (Kala)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Karabanchel_Baldur (KarB)
Channel:	MediumFast
RSSI:	-98 dBm
SNR:	0.5 dBm
Hop Info:	4/7 hops Start: 7, Limit: 3
Relay Node:	`2d` SkyB 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: 37 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.311194°
Longitude:	-3.440640°
Altitude:	598 m
Satellites:	5
Precision:	15 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:	37 bytes
Gateway:	!13280088
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	4 / 7

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`	`!13280088` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (37 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3877556925` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`37` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-98.0` dBm Signal strength at gateway	int32
`rx_snr`	`0.50` dB Signal quality at gateway	float
`rx_time`	`1766535275` 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`	`45` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1766535275.8109035` 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: ~729.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (4 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!13280088`
Position Precision:	15 bits (~729.0m accuracy)
Position precision meters:	`729.0`
Signal Metrics:	RSSI: -98.0 dBm SNR: 0.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	37 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.3111936, "longitude": -3.44064, "altitude": 598, "sats_in_view": 5, "precision_bits": 15 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!13280088", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3877556925, "to": 4294967295, "id": 3630178137, "rx_time": 1766535275, "rx_snr": 0.5, "rx_rssi": -98, "hop_limit": 3, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 45, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000718150000f3fd18d6042563304b69280258f70778058001f88a9601980105b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403111936, "longitude_i": -34406400, "altitude": 598, "time": 1766535267, "location_source": "LOC_INTERNAL", "PDOP": 1015, "ground_speed": 5, "ground_track": 2459000, "sats_in_view": 5, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (37 bytes)

0d00000718150000f3fd18d6042563304b69280258f70778058001f88a9601980105b8010f

Hex Analysis:

Size:	37 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
Karabanchel_Baldur (KarB) Primary	0.000s Reference	-98.0 dBm	0.50 dB	4	`2d` SkyB	MediumFast	2025-12-24 00:14:35 UTC	Current
Ocumare Norte🗼🌐 (RRN)	-3.399s Before	-100.0 dBm	-8.75 dB	2	`b0` Sir , Vb2	MediumFast	2025-12-24 00:14:32 UTC	View
🎄 SkG@Home 📡🌐 (SkGH)	-3.395s Before	-105.0 dBm	-14.25 dB	2	`b0` Vb2	MediumFast	2025-12-24 00:14:32 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-3.332s Before	-76.0 dBm	9.25 dB	2	`b0` Sir , Vb2	MediumFast	2025-12-24 00:14:32 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	-3.041s Before	-101.0 dBm	-7.25 dB	2	`b0` Sir , Vb2	MediumFast	2025-12-24 00:14:32 UTC	View
Villalbilla02 (VBV2)	-3.036s Before	-112.0 dBm	-2.25 dB	2	`b0` Vb2	MediumFast	2025-12-24 00:14:32 UTC	View
GRN2-Cli 📡🔋 (GRN2)	-2.787s Before	-134.0 dBm	-10.50 dB	2	`b0` Vb2	MediumFast	2025-12-24 00:14:33 UTC	View
JAGO1_Cañaveral (JAGO)	-2.742s Before	-12.0 dBm	11.00 dB	3	`70` JAG2	MediumFast	2025-12-24 00:14:33 UTC	View
Venturada2 🗼🌞 (Vb2)	-2.733s Before	-88.0 dBm	7.50 dB	1	`fc` Anu2	MediumFast	2025-12-24 00:14:33 UTC	View
MOVIL 1 🟢 MANCHASTIC (MV1V)	-2.652s Before	-123.0 dBm	-14.00 dB	2	`aa` CR1	MediumFast	2025-12-24 00:14:33 UTC	View
Mec Rocket Meco (MRM)	-2.122s Before	-113.0 dBm	-12.50 dB	3	`08` JPL2	MediumFast	2025-12-24 00:14:33 UTC	View
Eagle’s Nest (EAGL)	-2.018s Before	-101.0 dBm	6.25 dB	3	`48` SMR1	MediumFast	2025-12-24 00:14:33 UTC	View
ETH Maverick (ET01)	-1.489s Before	-100.0 dBm	-10.00 dB	3	`d8` ROG1 , MMin	MediumFast	2025-12-24 00:14:34 UTC	View
Quixote_JS8_7 (QXT7)	-0.806s Before	-18.0 dBm	11.00 dB	4	-	MediumFast	2025-12-24 00:14:35 UTC	View
Skynet (Sky)	-0.096s Before	-87.0 dBm	3.25 dB	5	`6c` f56c	MediumFast	2025-12-24 00:14:35 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	-0.085s Before	-102.0 dBm	4.25 dB	5	`6c` f56c	MediumFast	2025-12-24 00:14:35 UTC	View
0001 (49ac)	-0.016s Before	-78.0 dBm	-4.00 dB	5	`6c`	MediumFast	2025-12-24 00:14:35 UTC	View
Meshtastic b2b4📡🌐 (b2b4)	-0.002s Before	-113.0 dBm	-13.00 dB	4	`2d` SkyB	MediumFast	2025-12-24 00:14:35 UTC	View
Aldinra_1640_🗼_🌐 (AldB)	+0.019s After	-119.0 dBm	-10.00 dB	4	`b5` Knb0	MediumFast	2025-12-24 00:14:35 UTC	View
tizon (Sylv)	+0.318s After	-122.0 dBm	-13.25 dB	4	`2d` SkyB	MediumFast	2025-12-24 00:14:36 UTC	View
PXT_Home (PXT1)	+0.582s After	-90.0 dBm	10.25 dB	5	`fd` BAS2	MediumFast	2025-12-24 00:14:36 UTC	View
Zion 🗼 (Zion)	+0.618s After	-114.0 dBm	-14.00 dB	5	`fd` BAS2	MediumFast	2025-12-24 00:14:36 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	+1.302s After	-66.0 dBm	10.75 dB	4	`2d` SkyB	MediumFast	2025-12-24 00:14:37 UTC	View
Varela Bot 🏡🤖 (🤖)	+1.516s After	-83.0 dBm	6.00 dB	5	`1c` 🏡	MediumFast	2025-12-24 00:14:37 UTC	View
Quixote_JS8_5🗼🌐 (QXT5)	+9.543s After	-115.0 dBm	-5.75 dB	4	-	MediumFast	2025-12-24 00:14:45 UTC	View

25

Total Receptions

24

Unique Gateways