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Mini Whip - Active HF Antenna - PA3DWC
The author investigated electric field antennas and achieved promising results with a shortened active whip ...

[ Hits: 74 | Votes: 1 | Rating: 10 ]

Antenna Manufacturing: How to Prevent Galvanic Corrosion - G0UIH
Galvanic corrosion a destructive process triggered by dissimilar metal contact in a corrosive electrolyte poses ...

[ Hits: 55 | Votes: 0 | Rating: 0 ]

Chokes and Isolation Transformers for Receiving Antennas - K9YC
Chokes and isolation transformers are essential for receiving antennas to mitigate common mode current which ...

[ Hits: 61 | Votes: 1 | Rating: 9 ]

Introduction to HF Packeteering in the Modern Age - N6CTA
A brief overview of the current state of packet radio on the HF bands In ...

[ Hits: 80 | Votes: 0 | Rating: 0 ]

Unlocking the 2-Meter Band: Essential Frequency Selection Tips for Amateur Radio Operators - K0NR ^new
When new to the 2 meter FM transceiver securing a quiet frequency for chatter seems ...

[ Hits: 32 | Votes: 0 | Rating: 0 ]

Yaesu FT-857 Repair: Tackling a Sense Wire Issue - M1GEO
After owning the second hand radio for a few months it developed a sense wire ...

[ Hits: 40 | Votes: 0 | Rating: 0 ]

Building an Enhanced APRS IGate with Debian 12 and Raspberry Pi - WW8TF
The guide outlines necessary components including a 2m FM analog radio USB audio adapter and ...

[ Hits: 59 | Votes: 0 | Rating: 0 ]

Analyzing SSB Signal Quality in CQ WW Contest - OH6LI
This article investigates SSB signal quality during the CQ WW 2015 SSB contest It highlights ...

[ Hits: 42 | Votes: 0 | Rating: 0 ]

APRS via LoRa - lora-aprs
Website maintained by a group of amateur radio operators who would like to bring APRS ...

[ Hits: 51 | Votes: 0 | Rating: 0 ]
APRS LoRa Weather Station - TK5EP
The weather station described here uses a TTGO v3 1 6 2 module and various ...

[ Hits: 109 | Votes: 0 | Rating: 0 ]
LoRa APRS Tracker or Igate on 433Mhz - ZR6AIC
Setting up a Lora APRS tracker using the ESP32 Lora32 TTGO T T Beam 433 ...

[ Hits: 82 | Votes: 0 | Rating: 0 ]

LoRa-APRS-iGate - iot4pi
he LoRa APRS iGate was developed in cooperation with the Austrian HAM Radio Association With ...

[ Hits: 79 | Votes: 0 | Rating: 0 ]