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G3 ZME Telford & District Amateur Radio Society G6 ZME

Tech Topic Pages  
Thanks to  all who submitted interesting items.
Anyone with a Tech Tip please let me add it to these pages
.   Web Manager
34
  Explanation of M U F
33
  Genesis Radio G11 SFD A contest winning Transceiver
32
G0KSC
High Performance Antennas
31
VK5JST
UHF aerial analyser & Wheatstonebridge
30
DK7ZB
The 2-Element HB9CV Beam
29
GM3SEK
Chokes and Baluns
28
G1MHU
OPC 589 ICOM Cable Equivalent (DIY)
a standard RJ45 patch cable is wired in the same way cut in half for 2 cables for wiring
27
WA5 UFH VHF Meteor Scatter : adapted from a QST article by Randy Tipton
26

G3 JKX

Transmitter -- Receiver Switching

25
G4 EIX Offset Attenuator for DF Hunting
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G3 UKV DX Cluster Explained
23
M1 IHM GB3TF Internet Gateway  
22
M1 RKH Does Size Really Matter
21
G3 NYK Recovering old batteries
20
 M1 RKH Why Stick The Pre-amp at the Top of the Mast?
19
G3 UKV The ZS6BKW Multi band HF Antenna
18
G3 UKV TV I Filter    ( keep the neighbours happy )
17
G3 JKX  QRP, RF Stages
16
G3 JKX Field strength formula - How it work
15
G3 JKX Semiconductor Diodes
14
G3 JKX   Q, ‘the goodness factor’
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G3 JKX Amplifier Biasing
12
G3 JKX Amplitude Modulation
11
G3 JKX Tuned Circuit Formula Part 1
10
G3 JKX Tuned Circuit Formula Part 2
9
G3 JKX Rotators, Aerial Corrosion water-proofing
8
G3 JKX Magnetic Fields and more on (Q)
7
G3 JKX Running Field Day
6
G3 JKX RF Sniffer
5
G3 JKX Aerials and Rotators
4
G3 JKX

Noisy Volume Controls

3
G3 JKX Easier frequency calculations
2
M0 FHM The use of Mobile phone and Amateur Radio in vehicles
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G4EIX
ARDF – WEB URLS